Ursula von der Leyen, president of the European Commission, recently said that she wants to " derisk" relations with China.

欧盟委员会主席乌尔苏拉·冯德莱恩最近表示，她希望“降低” 与中国的关系风险。

Now, as a biologist, I know that play is spontaneous and pleasurable — as you can see by the smiles in this photograph — but also, it accelerates and derisks learning.

作为一个生物学家，我知道玩耍会给人带来愉悦 —— 你只要看看照片上这些笑容就知道了 —— 但玩耍还能有效地帮助学习。