UNIT12

杮暥偺撪梕偲堦抳偡傞傕偺偵偼俿丆堦抳偟側偄傕偺偵偼俥偲彂偒側偝偄丅
1.It is now known that not only animals have territories but also humans do.乮丂丂乯
2.Local circumstances can decide how far personal territories expand.乮丂丂乯
3.Among 乪air-bubbles,乫 the 乪Personal Zone乫 is the most important for us, because only close friends can enter it.乮丂丂乯
4.Colleagues at work usually regard new employees as those who are in the 乪Social Zone.乫乮丂丂乯
5.The better we come to know each other, the closer our relationship can be.乮丂丂乯