是布兰妮,宝贝!
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
市场不会因为你正确而奖励你,它会因为你盈利而奖励你。
发现的快乐是这些年来一直激励我的动力。