in both China and North America,it is polite tooffer an elderly person a seat on the bus.
When Chinese people eat out in restaurants,theymay take turns paying for the meal.
in China,people seldom give extra money towaiters,waitresses,taxi drivers or hotel workers.It is called “tipping".
l think understanding cultural differences reallyhelps us to understand each other,live together andwork together.

☆教材解读☆
1.In your opinion,what are good manners?in one's opinion意为“在某人看来,依照某人的看法”。
2.Joe is an English name that sounds likeZhou.
sound like意为“听起来像”，sound可用作系动词,后跟形容词,表示“听起来…”。sound后还可跟as if引导的从句。