名词
中文翻译：问题
同义词：
['issue', 'difficulty', "difficulty例句：1. The problem with the new software is that it's not user-friendly.（新软件的问题是它对用户不友好。）2. We need to solve the problem of pollution before it becomes too serious.（我们需要解决污染问题，否则会变得太严重。）"]
例句：
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1. The problem with the new software is that it's not user-friendly.
新软件的问题是它对用户不友好。
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2. We need to solve the problem of pollution before it becomes too serious.
我们需要解决污染问题，否则会变得太严重。
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3.The teacher asked the students to find a solution to the problem.
老师要求学生们找出解决问题的方法。