So, here was a royal tomb closed forever and yet built at a fantastic expense and enormous kind of labor.

由此可见,这里曾是一个以惊人的财富,和巨大的劳动力建成的封存的皇家墓穴

耶鲁公开课 - 古希腊历史简介课程节选

They're already paying for public transport, so it's just kind of a financial expense they could do without.

他们已经向公共交通付钱了，所以，那只是一笔没有必要的财务支出。

公共交通更方便 - SpeakingMax英语口语达人

And b, they have what's called a low expense ratio since they're easy to implement, you don't pay anyone to be brilliant to implement if for you.

但是他们的费用比率很低,因为这种做法很容易，你不需要,有多聪明就能去实施。

麻省理工公开课 - 计算机科学及编程导论课程节选

And in general, when people devote a lot of energy or money or expense to something, they are extraordinarily resistant to having it proven wrong.

一般来说，当人们投入的精力，金钱或成本越多时，他们就越不会相信自己是错的。

耶鲁公开课 - 心理学导论课程节选

This thing's nice because rather than do "if" and "and and" or "or or" and all of this, you can instead enumerate things a little more cleanly, albeit apparently at the expense of more white space.

这个东西是不错的，因为它不用“if“和“and，and“,或者“or，or“所有的这些，你可以用枚举来更清楚地表达它，虽然表面上它用了更多的空格。

哈佛公开课 - 计算机科学课程节选

Each page a victory, at whose expense the victory ball?

汗青页页,尽书胜主,成败之价,谁人乘沽

耶鲁公开课 - 1871年后的法国课程节选