Learn the Phrases a clean slate and clean as a whistle(双语)

Learn everything you can, anytime you can, from anyone you can; there willalways come a time when you will be grateful you did. 　　学习一切你所能学，任何时间，无论向谁;总有一天你会为你所做感到欣慰。 --Sarah Caldwell 看完视频， 大家可以把自己印象中最深刻的单词或者短语放到评论区，相互交流经验总结