长寿并不一定是指年长的时间更长。
在学校交朋友可能有点棘手——但它并不一定是这样的！
Making friends at school can be a little tricky—but it doesn't have to be!
恐龙的消失并不一定是由天文事件引起的。
The disappearance of dinosaurs is not necessarily caused by astronomical incidents.
太平洋海啸预警中心的公告称，“海啸是一系列的波浪，第一波并不一定是最大的。”
"A tsunami is a series of waves and the first wave may not be the largest," said a bulletin from the Pacific Tsunami Warning Centre.
学习当然并不一定是指意识学习。
Learning, of course, doesn't necessarily imply consciousness.
这种游戏并不一定是自恋。
尽管我们都知道，并不一定是行数越多越好。
We all know, though, that it's not necessarily true that the more lines you write, the better.
但并不一定是那样！
这并不一定是要你大动干戈地全面改变自己的生活。
This doesn’t necessarily have to involve full-on, life changing, epic events.
但是您曾经说过增加教学时间并不一定是个好主意。
But in your work, you've indicated that increasing instructional time isn't necessarily a good idea.
良好的安全性可提供深度防御；使用多种方法并不一定是坏事。
Good security provides defense in depth; using more than one approach is not necessarily a bad thing.
当然，仅仅抛出异常并不一定是解决问题的最佳方式。
Of course, just throwing out an exception isn't a very robust way to deal with problems.
当你打开电视时，并不一定是傻傻地坐着，盯着屏幕看。
When you've got the television on, you don't have to simply sit and stare at the screen. You can do all sorts of things, like.
这并不一定是一件坏事；这将由您的用例和业务逻辑决定。
This is not necessarily a bad thing; it depends on your use case and business logic.
“你认为他们想知道的并不一定是他们问的原因”，她说。
"What you think they want to know may not be at all why they're asking," she said.
白色的食物并不一定是好的：喜欢吃白面包，土豆和米饭吗？
White is Not Right:Having a love affair with white bread, white potatoes and white rice?
您还应该非常清楚XML对于请求来说并不一定是很好的数据格式。
You also should have a good idea now of why XML isn't always that great a choice for a data format for requests.
虽然这些东西并不一定是坏事，但是它们让我们更容易冲昏头脑。
And while these things aren't necessarily bad, they can easily get us in over our heads.
尽管“块煤”并不一定是恶性或癌性的，但尽早发现总归是件好事。
Though lumps are not all malignant, or cancerous, early discovery is always an advantage.
非常重要的一点是，要清楚这些导入并不一定是这个系统的储存库。
It is important to be clear that these imports do not necessarily have to be system libraries.
因此，服务并不一定是Web服务，后者只是服务的一种类型而已。
Therefore, it's not essential for a service to be a Web service, which is only one type of service.
虽然“文件共享”这个词有各种不好的含义，但它并不一定是件坏事。
Although the term "file sharing" has all sorts of ugly connotations, it's not necessarily a bad thing.
一个行动并不一定是令人愉快的，而是最终的结果得到了外在的强化。
An act doesn't have to be enjoyable when the end result is extrinsically reinforcing.
不错，那里仍是以调频广播为主，但我们的听众听的并不一定是收音机。
Yes, it's a heavily FM environment, but it's not radios our audience are listening to.
与几世纪以来的偏见正相反，一个感情激荡的念头并不一定是不理智的。
Contrary to centuries of prejudice, an emotional thought isn't necessarily an irrational one.
入侵者并不一定是在公司外部，但他是从应用程序自身的外部执行代码的。
The intruder is not necessarily outside the company, but he is executing code from outside of the application itself.
入侵者并不一定是在公司外部，但他是从应用程序自身的外部执行代码的。
The intruder is not necessarily outside the company, but he is executing code from outside of the application itself.
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