Camps are either temporary, that is changed from day to day, or they are permanent and may be visited year after year, or they may be used for a few weeks at a time.

Camps are either temporary, that is changed from day to day, or they are permanent and may be visited year after year, or they may be used for a few weeks at a time.

营地可以是临时的，一天一换，也可以是长期的，也许我们每一年都要来或者我们在一段时间内要住上它一两个星期。