Callable
基础释义：
可执行的
可调用的
发音：
/?k?l?b(?)l/
英语范文：
题目：设计一个可调用的函数实现加法运算。
英语作文：
Certainly, callable functions are a great way to create reusable code. To design a callable function for addition, we need to define a function that takes two numbers as input and returns their sum. Here's an example in English:
```python
def add(num1, num2):
return num1 + num2
```
This function is callable because it takes two arguments and returns a result. You can call it by passing two numbers as parameters, like this: `add(3, 4)` will return `7`.
Callable functions are very useful for creating modular code that can be reused in different contexts. They allow you to encapsulate complex logic into smaller, more manageable pieces of code that can be easily tested and maintained.
Callable
Callable是一个英语单词，意思是可执行的，可调用的。它通常用于描述一种特定的功能或方法，可以被调用并执行相应的操作。在编程中，Callable通常指的是一个可以被调用的对象或函数，它可以接受参数并返回结果。
在日常生活中，Callable也经常被使用。例如，我们可能会说某个事件或计划是“可调用的”，这意味着我们可以根据需要调用它并执行相应的操作。此外，Callable还可以用于描述一些可被取消或更改的承诺或约定。
以下是一篇围绕Callable的英语范文：
Callable Life Insurance
Insurance is a very important aspect of our financial planning, and one of the most common types of insurance is life insurance. One of the features that makes life insurance so valuable is that it is callable. This means that if we need to, we can ask the insurance company to pay out the death benefit if the policyholder dies before the policy term ends. This is a very useful feature, as it allows us to protect our family in case of an unforeseen event.
However, callable life insurance is not without its risks. If we choose to call the policy early, we may be faced with higher premiums or even cancellation of the policy altogether. Therefore, it is important to carefully consider the pros and cons of calling the policy before making a decision.
In conclusion, callable life insurance is a very useful feature that allows us to protect our family in case of an unforeseen event. However, it is important to carefully consider the risks and benefits before making a decision.
"Callable" refers to something that can be called or invoked at a later date. It can be used in contexts such as financial instruments, contracts, or software functions.
发音：/k??lebl/
Example Sentence: "This bond is callable after three years, meaning that investors can call for its repayment at any time before then."
翻译：这笔债券在三年后可被召回，意味着投资者可以在三年前任何时候要求偿还。
Sample Essay:
In the financial world, callable instruments are a common type of derivative. These instruments give the holder the right to call for the underlying asset to be repaid at a predetermined date and time. This feature makes callable instruments useful for hedging against risks related to interest rates, inflation, and other economic factors.
In software development, callable functions are essential. These functions are designed to be invoked by other code, allowing developers to encapsulate complex logic and make it reusable across different parts of the application. By defining callable functions clearly and consistently, software teams can improve code quality and reduce maintenance costs.
In both contexts, the term "callable" emphasizes the flexibility and predictability of the instrument or function. It allows for contingencies and flexibility in case of changes in the market or unexpected events. It also ensures that the contract or function remains useful and relevant over time.
In conclusion, "callable" is a term that encompasses various contexts and applications. It emphasizes the ability to invoke or call upon at a later date, which is essential for hedging risks, encapsulating complex logic, and ensuring long-term relevance and usefulness.
