—— 请按键盘 空白键 开始游戏 ——

I have to remind myself that some birds aren't meant to be caged. Their feathers are just too bright. And when they fly away, the part of you that knows it was a sin to lock them up DOES rejoice. Still, the place you live in is that much more drab and empty that they're gone. I guess I just miss my friend.
学习数学的唯一方法就是做数学。
随着我们深入研究基因组,我们意识到生命的复杂性远远超出我们的想象。
对于好的建议,唯一能做的就是传递它。它对自己从来没有任何用处。