They're spending money on concrete, and bricks, and machinery, and they could be doing that wisely or unwisely and that's beyond finance to evaluate.

他们花钱买混凝土,砖块和机器,这个决策可能明智也可能不明智,但这不是金融学的讨论范畴

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

So, you could buy apartment buildings for way less than it would cost to replace them.

所以，你可以买公寓，这比你自己花钱重建房屋,要省钱。

耶鲁公开课 - 金融市场课程节选

But we've been so completely socialized into thinking two things: one is that we need water with us all the time; and second we have to buy it.

但如今我们都对以下两个观念习以为常了,第一是我们每时每刻都需要水,第二是我们要花钱买水

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And otherwise it's probably... there's an admission price,

如果是别的学校的学生，可能需要花钱买门票，

学生们的艺术热情 - SpeakingMax英语口语达人