Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.
双重思想意味着在头脑中同时持有两种相互矛盾的信念，并接受它们两者。
The Internet is a global resource that should be managed in the public interest.
读书时刻苦用心，才能达到一字千金的层次。
在任何比赛中，自信都是关键。