Today Lesson
1. 学会如何判断和怎样决定一些事情
（review part）
e.g:
> 1½ bluetotes full of items, est shd be 1MH not 30mins
> 2 bluetotes of items carton back, est shd be 45mins not 30mins

2. task deligate
> after assign task to team member, I must set time to them. Jot down the finishing time, but I have to check with them in advance
> reporting