1.
If you join package tours, it's worth attending their pre-trip briefing sessions when time allows.
如果你是参加旅行团的话，如时间许可，你应参加旅行社在团队出发前所举办的茶会。
2.
The permits, if approved by Congress,the time of 3 years would be renewable.
如果国会批准给予工作许可，3年时间还可以续延。
3.
Perhaps he could have saved time.
也许他可以省点时间。
4.
Today we shall study the next first, then I'll ask you question. If time permits, we shall have a short dictation.
今天我们先读课文,然后提问。如果时间许可，我们就进行一小段听写。
5.
Most proposals would limit the duration of permits to some specified time, such as five or ten years.
许多人提议把排放权的许可期限定一个具体的时间，例如5年或者10年。
6.
If I were rich and had a lot of leisure,
如果我很有钱而且又有许多闲暇时间，
7.
Time permitting, we'll do another two exercises.
如果时间允许，我们将做另两个练习。
8.
If times permits, we” ll visit the Great Wall.
假如时间允许的话，我们将游览长城。
9.
If time permits, you should visit the Great Wall.
如果时间允许的话，你们应该去游长城。
10.
(i) Where China required an examination to licence professionals, such examinations would be scheduled at reasonable intervals.
(i) 如中国要求向专业人员发放许可须进行考试，则此类考试将确定在合理的时间间隔进行。
11.
Many packets can be sent as time allows.
只要时间允许多个包可以发送出去。
12.
If I have time, I enjoy camping in the wild with my friends.
若时间许可，我爱和朋友到野外露营。
13.
Take the express.It saves you a lot of time.
坐快车吧，这可以节省你许多时间。
14.
Take the subway. It saves you a lot of time.
乘地铁吧，它可以为你节省许多时间。
15.
If you ask whether we will travel to the stars, the answer is probably yes, but it will take a long time. Maybe 500 years.
如果你要问我们能否到恒星旅行，答案是很可能，但要等很长时间才能实现，也许要等500年。
16.
The explanation for this paradox may be that people become less satisfied over time with a given level of income.
对于这种自相矛盾的现象也许可作如下解释，随着时间的推移，人们对一定的收入会越来越不满。
17.
Review the evaluation rubric at the link below so that you will know how to organize and present your information.
贵队可以先从基本元素开始，如果时间允许的话，再逐步去修饰作品的细节。
18.
The ability of radio to give us information while we are engaged in doing other things------ for instance, driving a car------ is remarkable, and a great saving of time.
无线电广播能使我们边干事，如开车，边收听消息，真是了不起，且可节约许多时间。