Those people aren 't necessarily wrong .

那些人不一定错了。

Does more economic diversity necessarily mean lower admissions standards ?

必要的经济多样化意味着降低了招生标准吗？

Efforts to divine the actual results of these interventions are necessarily messy .

让人们努力去理解这些干预的实际效果不可必免地很麻烦。

Such uncertainties necessarily exist and are unquantifiable .

这种不确定性必定是存在的，而且是无法量化的。

Knowledge is incomplete , and natural systems are not necessarily stable .

因为相关知识还不完备，很多自然系统也不是必然地处于稳定状态。