And again-without collective, bold, action, there is a real risk that the major economies slip back instead of moving forward.
如不采取集体和大胆的行动,一个现实的风险就是主要经济体将不进反退。
2
Borrowing from Mother Nature, a team of MIT researchers has built a school of swimming robo-fish that slip through the water just as gracefully as the real thing, if not quite as fast.