我觉得唱歌是一种情感的宣泄,是一种表达自我的方式。
I think singing is a way to vent emotions and express oneself.
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.
电影的魅力在于它能够将我们带到另一个世界。
The greatest problem for mathematicians now is probably the Riemann Hypothesis.