(1) I should wear a suit,a tie and a pair of leather shoes.I shouldn't wear slippers.In other words,I shouldn't wear too casual.
(2) Westener really care about their age and money.So you mustn't ask " how old are you"," how much is your salary" this kind of questions.
(3) You can bring a bottle of wine,a bunch of flowers,but can't accept the present that is too expensive.
(4) Don't make noise when you are eating,don't wield the tablewares when you are talking with your friend at dinner.Another important thing you should be aware,that is don't speak with food in your mouth.
(5) You should arrive a little bit earlier than your friends,because to be late is very rude,but too early also make your friends embarrass.
一字一句打的~
我有一些外国朋友,所以我知道,当然还有很多礼仪,但这些够你用了~