世界是一本书,不旅行的人只读了一页。
The world is a book, and those who do not travel read only one page.
我认为质数就像生活。它们非常合乎逻辑,但你永远无法弄清楚其中的规则,即使你花所有时间去思考它们。
The challenge for media companies is to find new ways to reach audiences and to make money from it.