跨价值链的合作是解决塑料废物挑战的关键。
要说“我爱你”，首先必须能够说“我”。
Each time you reach out to people， bring them a blessing； then they’ll be happy to see you when you bring them a problem.
In mathematics, you don't understand things. You just get used to them.
人体对我来说是最重要的东西。