交易中最重要的是管理风险。

Principles is another name for prejudice.

I would like to paint the way a bird sings.

I don't want to be a movie star. I want to be an actor.

The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.

我们相信创新的力量能够驱动可持续增长。

成功数据库系统的关键在于其能够随着用户需求的变化而发展。