Complete the sentences by putting Chinese into English. 1. Travelers need to understand the cultural differences in politeness ( ) (这样就不会引起尴尬). 2.In other parts of the world, ( ) (直视别人) is rude. 3. ( ) (旅行时)，remember that each country has a different definition of being on time. 4. There are also cultural differences ( ) (在人们对待私人空间方面). 5. Politeness and good manners can be good for ( ) (结交朋友、旅游), and good for business, too.