The habit of encouraging people, even strangers, is deeply engrained in American culture. All the cheering you hear at sporting events is really just a form of encouragement.

• 鼓励他人,即使是陌生人,这种习惯已经在美国文化中根深蒂固了。你在运动场上所听到的所有的喝彩其实正是鼓励的一种形式。