本期知识清单：
look into 处理，跟进
state of the art 业内顶级水准的
repeat business/repeat customer/returning customer 回头客
I could use some tea. could use表达此刻状态的委婉方式
Something takes it out of someone 身心俱疲
That is rich. 真讽刺
uncalled-for 别太过分了
The ends justify the means.为达目的不择手段。
a lead-pipe cinch 十拿九稳，毫无悬念
tank 彻底失败，垮掉，翻车
another feather in your cap又一项值得骄傲的成就 / 又添一笔荣耀
Something’s got to give. 总得有个让步
drop a dime on someone 向警方告发某人
buff right out 大事化小，轻描淡写。
