The value of an economic model lies in its ability to explain and predict.

我很早就知道这个世界可能是残酷的，但我拒绝让它击垮我。

"The best way to find out if you can trust somebody is to trust them."

She realized that sometimes, the hardest thing to do is to let go.

我相信电影有触动人心灵的力量。

煤炭的真正成本不仅在于价格，还在于我们如何管理其后果。