中国的崛起代表了自冷战结束以来对自由国际秩序的最重大挑战。
当下是转瞬即逝的时刻,已经在成为过去。
Collaboration is key to breakthroughs—no one does it alone.
Free vaccines are more valuable than expensive treatments, yet harder to promote.
一个成功的农场是既能滋养人类又能滋养环境的农场。