即使爱只给你带来了哀愁，也信任它。

Trust love even if it brings sorrow.

youdao

即使爱只给你带来哀愁，也信任它，不要把你的心关起。

TRUST love even if it brings sorrow. Do not close up you heart.

youdao

即使爱只给你带来了哀愁，也信任它。不要把你的心关起。

Trust love even if it brings sorrow. Do not close up your heart.

youdao

So, it's more effective because it's a live virus but it's a little bit more concerning because it's a live virus as well, in that you trust that it's attenuated but could it convert back to a virulent form or a form that caused a disease.

因此,口服疫苗更加有效,因为它是活性病毒,但又是因为这一点,人们也存有更多顾虑,当它处于减毒状态时你会信任它,但是它会不会转变回,强毒壮态或者致病状态呢

耶鲁公开课 - 生物医学工程探索课程节选