Doublethink means the power of holding two contradictory beliefs in one's mind simultaneously, and accepting both of them.
成功不是幸福的关键。幸福才是成功的关键。如果你热爱你所做的事,你就会成功。
The most advanced technology is useless if farmers don't trust it.
International cooperation should be based on mutual benefit and win-win results.
I think the key to making a good movie is to make sure that the audience cares about the characters.