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疫苗的安全性和有效性是其研發(fā)中最重要的標(biāo)準(zhǔn)。

I think it's important to keep challenging yourself, to keep growing.

預(yù)測未來的最好方式就是創(chuàng)造未來。

The art of life is to live in the present moment, and to make that moment as perfect as we can.

The path of revolution is not a path of roses.

真實永遠(yuǎn)比虛構(gòu)更離奇。