Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

See? “By” originally means “bye” or byway. That’s why, in fact, some people still spell “by the by” as “by the bye”. By the ...

一个曾誓言“要在24小时内结束战争”的人，现在要求中国介入斡旋，这真有点黑色幽默。其实，特朗普甚至无需开口。在俄罗斯发起特别军事行动一年之际，中国便提出了十二点和平方案。