一个人要走多少路才能被称为男人
快乐有益于身体,但悲伤才能发展心灵的力量。
商业机会就像公共汽车,总会有下一辆。
I believe in love, but I also believe in protecting my heart.
The ability to observe and control electron motion in real-time opens up new frontiers in understanding the fundamental processes of nature.