Smiling can lift one's spirits, and moreover, make a difference in each life you encounter.

Smiling can lift one's spirits, and moreover, make a difference in each life you encounter.

微笑可以振奋一个人的精神，更重要的是，在你遇到的每一个人生中，微笑都能带来不同。

-- Asa Don Brown ASA唐布朗