生活就是一场战役，人们才需要一个专门的地方来说话。
If life weren't a battle, people wouldn't need a special place just to speak.
直到旧的电话不能再用了，你才需要最新的电话。
You don't have to have the latest telephone until the old one doesn't work anymore.
通常你只会在最冷的天气才需要这个，羊毛会在你的底层和外套之间增加一个额外的隔绝层。
Often, you will only need this in the coldest weather, when the fleece adds extra insulation between your base layer and your outer layer.
毕竟，只有橡树城的居民才需要缴纳城市税，因此也只有居民才知道如何最好地利用这些钱来改善这座城市。
After all, only Oak City residents pay city taxes, and therefore only residents understand how that money could best be used to improve the city.
只有在工业化国家中才需要身体活动。
Physical activity is needed only in industrialised countries.
但大家一直误认为只有大企业才需要EA。
But there is a misconception that only big companies need EA.
只有在客户机端上才需要这样做。
这大约才需要10 - 15分钟。
只有底层属性改变时才需要重新生成JCL。
Only if some underlying property changes occur does the JCL need regenerating.
只有在首次运行某个项目时才需要这样做。
只有在使用加密时，同步才需要这个步骤。
This is relevant for the synchronization only when encryption is being used.
只有远程执行才需要它。
只有当用户登录到CM时才需要检查密码。
盖茨先生认为缺乏互信，才需要建立联系。
Mr Gates sees it as a way to establish trust when it is lacking.
客户可能以为他们只有接听了电话才需要付费。
The customers probably thought that they didn't have to pay unless they answer the phone.
一般在第二种情况中才需要认真处理验证阶段。
Taking care of validation phase probably belongs to the second context.
域是可选的，只有在您需要执行跨域的验证时才需要。
The domain is optional, only required if you need to perform cross-domain authentication.
当然了，我们当且仅当末日审判发生时才需要做这些。
一个公司应该有多少雇员之后才需要建立人力资源部门？
How many employees should a company have before there is a need for an HR Department?
而只有客户机使用已删除的属性时才需要对其进行修改。
You only have to modify the client if it is using an attribute that was deleted.
出于实用目的，在混合使用多个词汇表时，才需要前缀。
For practical purposes, prefixes are required when you intermix vocabularies.
只有当许多类重名但所处包不同时才需要一个完整类名。
A fully qualified class name is required only when you have many classes with same name but a different package.
除非你请病假或是睡到中午起床都无济于事时，才需要他。
But unless calling in sick and waking up at noon have no consequences for you, it’s often a must.
只有需要从SCA组件和业务流程访问EIS时，才需要执行该任务。
This task is performed only if the EIS needs to be accessible from SCA components and business processes.
和-M相同，只是当您希望改变配置的时候才需要使用它。
As with -m it should only need to be used when you want to change the configuration.
这个术语则是说，当你面对一些消极的事情时，你才需要积极。
The term suggests that there is something negative that you have to counteract by being positive.
只有在那些创建定制的mda转换的工作站上才需要编辑组件。
The authoring component is only required in those workstations used to create new custom MDA transformations.
只有未参与事务的活动才需要补偿服务，例如，发送电子邮件。
Only activities that are not part of a transaction need the compensation service, for example, sending e-mails.
只有在使用客户端优化流程(本文后面会有介绍)时才需要打开捕捉模式。
You only need capture turned on when you are using the client optimization process described later in this article.
只有在使用客户端优化流程(本文后面会有介绍)时才需要打开捕捉模式。
You only need capture turned on when you are using the client optimization process described later in this article.
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