 Never stop smiling, not even when you are sad, someone might fall in love with your smile.
Never stop smiling, not even when you are sad, someone might fall in love with your smile.
永远都不要停止微笑,即使是在你难过的时候,说不定有人会因为你的笑容而爱上你。
protection for sb 保护
protest against sth 抗议
against sth provision for/against 准备
pull at/on sth 拉,拖
ratio of sth to sth 比率
reaction to 对……的反应
reason for 原因,理由