you will find thismap of great value in helping you to get round london.in为什么不能用when
人气:476 ℃ 时间:2020-01-28 00:44:02
解答
其实可以, 但要这样说: You will find this map of great value in helping you when getting around in London. 或更简洁: You will find this map very helpful when getting around in London.