keep fit and don't lose your nerve.

解释：怀揣珍宝的人，不要在晚上行走；担负大任的人，不能对敌人掉以轻心。

Women don’t need to wait for permission to live their lives. Make your own plan—for your career, your family, your happiness.

What we need to do is to ensure that Chinese car brands have a place in the global market.

To feed the world, we must first learn to respect the limits of our planet.

You have to believe in yourself when no one else does—that's what makes you a winner.

如果我们想为子孙后代提供粮食，可持续农业是唯一的前进方向。