谁看过《tips for non-tippers》这篇文章,21世纪英语报上的,帮忙翻译下,

IN the US,we have a tradition of “tipping”.Waiters,hairdressers (理发师),taxi drivers,door people…anyone who has a service job can get a tip.Usually,a waiter gets 15-20 percent (百分之……) of the ...