The inflationary universe model suggests that the universe expanded exponentially in the first fraction of a second after the Big Bang.

I don’t like to repeat myself. I like to be challenged and to try new things.

种族差异不应在体育运动中发挥作用。

We have three baskets for investing：yes，no，and too tough to understand.

The architect's role is to act as a bridge between what is and what could be.

在这个如同战区般的世界里，我们都是行走的伤者。