检验统计假设的问题由来已久,其起源已不可考。
International cooperation is the key to solving global fishery problems, working behind closed doors doesn't work.
保持微笑,这会让人好奇你一直在忙什么。
The task of philosophy is to make the world more human.
学校必须是一个让孩子学会尊重权威并接受纪律的地方,这些纪律对于发展他自身的能力是必要的。
Success comes when preparation meets opportunity.