a bone of contention的意思是“争执点，争端之源”。这个词组通常用于描述引起争议或争论的事物或问题。
在英文范文中的应用例子：
"The recent disagreement over the location of the new school building has become a bone of contention among the local community. The debate has divided the village into two opposing camps, with some wanting it built on greenfield land and others wanting it on the existing playing field."
中文翻译：最近关于新教学楼建设地点的争议已经成为当地社区的一个争端之源。这场争论将村庄分成了两个对立阵营，有些人想要在未开发土地上建设，而其他人则想要在现有的运动场上建设。
发音：/?bo?n?v/
用法：a bone of contention通常用作名词，表示引起争议或争论的事物或问题。在句子中可以作为主语、宾语或表语。
题目：a bone of contention
在我们的生活中，我们常常会遇到一些争议的焦点，就像一根骨头，每个人都想咬一口。这些争议可能源于不同的观点、价值观或者利益冲突。今天，我们就来讨论这样一个争议的骨头：手机使用与健康的关系。
随着科技的进步，手机已经成为了我们生活中不可或缺的一部分。它方便了我们的生活，提供了无数的便利，但是也引发了一些问题。有人认为，过度使用手机会导致视力下降、颈椎疼痛等问题，甚至有人担心它可能影响我们的心理健康。因此，这个话题引发了广泛的争议。
有人认为，手机的使用与健康问题之间并没有直接的联系。他们认为，人们应该学会如何平衡使用手机和保护自己的健康。他们建议设定合理的使用时间，定期休息眼睛和颈部，以及保持正确的坐姿。此外，他们还建议定期进行身体锻炼，以增强身体的抵抗力。
另一方面，有人则持相反的观点。他们认为，现代社会中，手机的使用已经成为了人们生活的一部分，无法割舍。他们认为，过度使用手机确实会导致一些健康问题，例如视力下降和颈椎疼痛。他们建议人们应该更加重视这些问题，并采取积极的措施来保护自己的健康。
总的来说，手机使用与健康的关系是一个争议的骨头。每个人都有自己的观点和理由，这使得这个问题变得复杂和敏感。然而，我们不能否认的是，这个问题对我们的生活产生了深远的影响。因此，我们需要更加重视这个问题，并采取积极的措施来保护我们的健康。最终，这个争议的骨头可能会成为一个我们共同关注的问题，并促使我们更好地理解彼此的观点和需求。
题目：A Bone of Contention
In modern society, people often argue over trivial matters, such as where to park their cars or whether to use a particular product. However, these seemingly insignificant disputes can often become a bone of contention, causing tension and conflict between individuals.
One such bone of contention is the issue of recycling. Many people do not recycle because they believe it is not necessary or that it is too much trouble. However, others insist that recycling is crucial for the environment and that everyone should do their part. These differing views often lead to arguments and disputes between neighbors and communities.
In this situation, it is important to remember that everyone has their own opinions and beliefs, and that we should respect each other's differences. We should try to communicate with each other and find common ground, rather than focusing on our differences. By doing so, we can avoid unnecessary conflict and build stronger relationships with our neighbors and communities.
Furthermore, we should try to educate ourselves about recycling and the importance of protecting the environment. By doing so, we can become more informed and empowered to make more responsible decisions about our environment. We should also encourage others to recycle and take responsibility for their own actions, so that we can all work together to create a healthier and more sustainable world.
In conclusion, a bone of contention can arise from seemingly insignificant issues, but it is important to remember that we should respect each other's differences and try to find common ground. By doing so, we can avoid unnecessary conflict and build stronger relationships with our neighbors and communities, while also taking responsibility for our own actions and working towards a healthier and more sustainable world.