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数学不知道种族或地理界限;对于数学来说,文化世界是一个国家。
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
When you start with a new team, you start from zero. No matter what you achieved in the past.
Sustainability is no longer an option—it's a necessity for any business that wants to thrive in the future.
不担心别人不了解自己,担心的是自己不能了解别人。
最黑暗的夜晚孕育最亮的星星。