World Tourism Organization o · Phrases serve as充当,作,之用 aim to do sth.想,打算 engage In使从事于,使忙于 contribute to∴.(对.)有好处;起作用 in addition to除.之外 act as充当,起.作用 relevance to….和.有关 旅游英语 Unit one--Text旅游英语 World Tourism Organization • Phrases serve as 充当，作…之用 aim to do sth. 想，打算 engage in 使从事于，使忙于 contribute to … （对…）有好处；起作用 in addition to 除…之外 act as 充当，起…作用 relevance to … 和…有关 Unit One--Text