发球是网球中最重要的一击。
"The serve is the most important shot in tennis."
I'm not afraid of risks, I'm afraid of regrets.
信任是每一段牢固关系的基础,无论是商业还是生活。
The violation of Bell's inequalities forces us to reject either locality or realism - or both.
Education has become entertainment, learning a form of amusement.