Mr.Perry says this does not necessarily mean their population is dropping.

VOA: special.2011.03.14

Now,notice that does not necessarily mean it's canonical because scripture in some religions refers to a bunch of stuff.

要记住它不一定是正典,因为圣典在某些宗教里涉及很多东西。

耶鲁公开课 - 新约课程节选

Today we know, for example, if you can put one certain kind of element in your mouth or eat that, it doesn't necessarily mean you want to put the element next to it and your mouth as well, that might not be safe.

现在我们知道了，比如，即使你能把某一种元素放进嘴里,或者吃下去，这也并不一定意味着,你会把它邻近的元素也吃进嘴里,这可能会有危险，但。

麻省理工公开课 - 化学原理课程节选

With a tornado, bigger does not necessarily mean stronger.

VOA: special.2010.05.11

Such a condition, a state of war, may mean a condition of open warfare, but not necessarily.

这样一种状态，战争状态，也许意味着公开的战争状态，但这也不是必须的。

耶鲁公开课 - 政治哲学导论课程节选