做人意味着拥有负罪感。

Variant: All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion and desire.

化学工业是现代文明的支柱，我们必须以应有的尊重和责任对待它。

I’m very confident in my own skin. I love who I am.

跨行业合作是解决塑料废物危机的关键。