Once use, his magical effect can give you a wonderful feeling.
一经使用，他神奇的效果会给你一个惊奇的感觉。
Once use cases are being identified, the set of activities in a use case can be documented as major steps in a use case.
标识了用例后，用例中的活动集可以作为用例中的主要步骤进行记录。
Traditional stories make use of formulaic expressions like 'Once upon a time...'.
传统故事采用“从前…”一类的套语。
Once you've gotten an idea of how color and tone affects your website, use it to your advantage.
一旦你了解了颜色和色调如何影响您的网站，就要利用它们的优点。
You may not use any of the words in the bank more than once.
词库中的单词只能使用一次。
This list doesn't use the word "poop" even once.
这个列表一次也没有用“屎”这个词。
Sadly, the spirit of inquiry once at home on campus has been replaced by the use of the humanities and social sciences as vehicles for publicizing "progressive" or left-liberal propaganda.
可悲的是，曾经在校园里盛行的探究精神已经被作为“进步”或左翼自由主义的宣传工具的人文和社会科学所取代。
Chewing gum, once bought primarily by adolescent boys, is now featured in commercials as a breath freshener and teeth cleanser for use after a meal.
曾经主要由青少年购买的口香糖，现在在广告中被用作饭后的口气清新剂和牙齿清洁剂。
Once these plants use up their stored reserve or tap out the underground supply, they cease growing and start to die.
一旦这些植物耗尽它们储存的水或者用完地下水源，它们就会停止生长并开始死亡。
"I have tried, but it is of no use; I may just as well give up at once."
“我试过了，但是没有用；我还不如马上放弃。”
Once enough people realize the need for recycling, more effective recycling systems can be put into use.
一旦足够多的人意识到回收的必要性，更有效的回收系统就可以投入使用。
Once I get there, there would be no daily list of activities, sightseeing trips, television or business centers I might use to "check-in" at work.
我一旦到了那里，就不会有每天的活动清单、观光旅行、看电视或在工作时“签到”的商业中心。
I only use text messages once in a long while.
很长时间内仅使用过一次文本消息。
Once specified, those use cases contain the software requirements.
一旦具体化，这些用例就会包含软件需求。
Dataflow variables may only be bound once, so their use is limited.
数据流变量可能仅被绑定一次，因而其使用是有限的。
Using every declaration just once means making strict use of selector grouping.
每种声明只使用一次意味着对选择器进行更加严格的分组。
Because components can be reused in multiple ways, you optimize your effort with a "build once, use many" approach.
由于可以通过多种方式重用组件，因此可以通过“一次构建，多次使用”的方式优化开发。
Use it: once you know your best hours, use those for your hardest tasks - anything requiring lots of concentration or creativity.
使用它：一旦你知道你的效率最高的时段，在这时段内去完成最艰难的任务——任何事情需要你的专注和创造。
The use case ends once dispatch is confirmed.
一旦派送确认，此用例就结束了。
Once some use cases and supplementary requirements are identified, they are prioritized, so that their order of development can be decided.
一旦确定了一些用例和补充规约，就可以决定它们的开发次序。
If you run into trouble with this, just bend the "declaration just once" rule - and use it more than once.
如果你遇到这种情况，就不要管“每种声明只使用一次”的规则了。
It would be best to define a logical type exactly once and use that definition throughout your interface.
最好是明确定义一次逻辑类型，然后在整个接口中不断使用该定义。
But once firms start to use them, it is hard to stop.
可是一旦公司决定降价促销就很难停下来。
Don’t buy a tool you are only going to use once.
不要买你只会用一次的物品。
Once again, use make and specify the install target.
同样，使用make，并指定install目标。
For testing the application, you'll need to once again use Web mode.
测试该应用程序仍然需要使用web范式。
If you want to set all the permissions at once, use numeric file modes.
如果您希望一次设置所有的权限，可以使用数值文件模式。
Use it once or twice each week.
每个星期使用一或两次。
Use it once or twice each week.
每个星期使用一或两次。
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