儿童值得拥有既让他们高兴又挑战他们的艺术。
There are no shortcuts in technological innovation. We must be down-to-earth and persistent.
The story you are about to read is a work of fiction. Remember that.
粮食安全的未来蕴藏在海浪之下——前提是我们负责任地养殖。
The most difficult thing is to be simple.
