If time travel is possible, where are the tourists from the future?

反过来，始终反过来：把情况或问题颠倒过来，从反面看。

I think the most powerful and enduring brands are built from the heart. They are real and sustainable. They are not manufactured by a marketing department.

The most important thing is to be able to listen.

预测未来的最好方法就是创造未来。

我们对宇宙了解得越多，就越意识到我们不知道的还有很多。