A When's the best month to visit Beijing?
几月份去北京旅游最好?
B There are lots of good times to visit. But I think September is the best.
很多时候都不错。但是我认为9月份是最好的。
A How about during the summer?
夏天怎么样?
B Yes, it's nice then, too. But it can be quite hot. Springtime is really good. April and May are good months.
夏天也不错。但是天气可能会很热。春天很不错，4月和5月都是很好的月份。
A How about during the winter?
冬天呢?
B Well, Beijing can be really cold in winter. All in all, personally I still think September is the best.
呃，北京的冬天会很冷。总而言之，我个人认为9月份最好。
1 To ask what is the best time to do something, say: When's the best time to...? or What's the best time to...? e.g. When's the best month to visit Beijing? What's the best time to meet you tomorrow?
要问做某事的最佳时间，可以说：When's the best time to...?（什么时候做⋯⋯最好？）或者What's the best time to...? (什么时间做⋯⋯最好？）如：When's the best month to visit Beijing? （几月份去北京旅游最好？）What's the best time to meet you tomorrow? （明天什么时间和你见面最合适？）
2 A good way of summarising something, when everything has been considered, is by saying All in all...
当考虑了所有的事情后，一种比较好的总结方式是说：All in all... （总而言之⋯⋯)。