There is no such thing as a quality problem. There are only problems, and the solutions to those problems may involve quality considerations.
The truth is often found in contradiction.
跨越国界和行业的合作是解决全球性挑战的关键。
住酒店时,把所有的东西都放在显眼的地方,不要放在抽屉里,全部集中到一个地方。这样你就不会落下任何东西。如果你需要把充电器之类的东西放在一边,在它旁边放几件其他的大件物品,你落下三样东西的可能性比落下一件要小很多。