老生的用法和样例：
例句
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我想他在讲演中所要说的每个问题，对你来说，都可能是老生常谈，但是，因为我不是人类学家，我倒觉得它趣味横生，资料丰富哩。
I dare say anything he had to say in the lecture would have been old stuff to you but since I'm not an anthropologist I found it very interesting and informative. -
人们在会上听的尽是一些老生常谈的报告。
People at the convention heard many cut-and-dried speeches. -
还是老生常谈的事:谁都想让房子整洁，可谁也不愿意亲自整理。
It's the same old story: everybody wants the house tidy, but nobody wants to tidy it himself.
