OUTSCHOOL周日的课，推荐大家哦！

可以用下面这个link, $20的credit! https://outschool.com/classes/say-this-not-that-using-polite-words-part-2-5H5AZg02?sectionUid=85d39a4f-184f-43c8-9e38-346174540906&showDetails=true&usid=YYPpH6Kx&signup=true&utm_campaign=share_activity_link