神奇数字150表明，我们社交网络的规模受限于大脑的容量。
The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
I'm not a girl who needs validation. I'm a girl who validates herself.
我喜欢被挑战，我喜欢做别人说我做不到的事情。