They became almost worthless because they were investing in subprime debt and the value of the debt collapsed and so these collapsed as well.

它们变的分文不值,因为它们投资次级债务,而这些债券价格一落千丈,所以这些银行也跟着倒下

耶鲁公开课 - 金融市场课程节选

the stuff that you have to spend money to get is usually not that worthwhile.

你要花钱买的东西通常不值。

钱重要吗？ - SpeakingMax英语口语达人

I am a crowd, I am a lonely man, I am nothing.

我是胆小鬼，我是孤独的人，我不值一钱。

耶鲁公开课 - 现代诗歌课程节选

because no one really wants to pay more for good than it should be.

因为没人真的愿意花更多的钱去买不值那个价钱的东西。

中国的影响力 - SpeakingMax英语口语达人

But it's not worth it to spend 200 dollars on a fancy purse.

但是花两百美元买一个昂贵的钱包就很不值了。

不需要名牌 - SpeakingMax英语口语达人