球场上最强大的武器不是正手或反手——而是你的头脑。
I think scars are like battle wounds - beautiful in a way. They show what you've been through and how strong you are for coming out of it.
疫苗的安全性和有效性是其研发中最重要的标准。
你给予的越多,在生活中得到的就越多。