The inns are informal and dress-up clothes are not required for dinner.
小旅馆是非正式场所，所以就餐不需要考究的衣服。
In Kenya, in the past, students were not required to attend school and the education was not free, either.
在过去，肯尼亚不要求学生上学，教育也不是免费的。
It's not required, but it's a good idea.
好像没有要求，不过这是个好主意。
有帮助但不是必须。
The reply message is not required.
回复消息不是必需的。
The EXTDESC keyword is not required.
EXTDESC 关键字不需要。
The <iw:resource> tag is not required.
<iw:resource>标记并不需要。
This behavior is not required, however.
然而，这些动作不是必需的。
So I'm not required to take composition.
所以我不需要修作文课。
Processors are not required to support it.
没有要求处理程序一定支持它。
ClearCase client installation not required.
不需要安装ClearCase客户端。
In that case, an XML schema is not required.
在这种情况下，XML模式不是必需的。
You are not required to do impossible things.
不会要求你去做不可能做的事情的。
The update is not required for this scenario.
本场景不需要该更新。
Disable scripting when it is not required.
不必要时禁用脚本功能。
This is not required for those programs to run.
运行这些程序并不需要这样。
Obviously, a DSL is not required in every case.
显然，并非每种情况下都需要DSL。
This step is not required for IIOP implementation.
此步骤并非IIOP实现所必需的。
Note that this capability is not required of EJB 2.1.
注意，EJB 2.1不需要这个功能。
Feelings are not required and often may be misleading.
我们并不需要感觉，而且感觉也经常误导人。
Knowledge of any of these is helpful, but not required.
了解这些当然很有帮助，但也不是必需的。
Familiarity with XQuery is helpful but not required.
熟悉XQuery十分有帮助，但是并非必要条件。
The parser is not required to provide a Locator object.
不需要语法分析器来提供Locator对象。
Basic familiarity with WSDL is helpful but not required.
基本了解WSDL会有帮助，但不是必需的。
Knowledge of Web design is helpful, but not required.
如果您懂得Web设计知识将很有帮助，但这并不是必须的。
This method is not required if your bean is very simple.
如果您的bean非常简单，那就不需要这个方法。
Some experience with Eclipse is helpful, but not required.
具有一些Eclipse方面的经验会有所帮助，但不是必需的。
This file is not required for the operation of the library.
库操作不需要这个文件。
This file is not required for the operation of the library.
库操作不需要这个文件。
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