The researchers aren't sure exactly how dangerous the particles are, nor do they fully understand their potential relationship to tobacco smoke.

研究者们还不能非常确定这些颗粒有多大危害，也不完全明白这些颗粒的危害与吸烟的潜在关系。

youdao

Strangers do not understand her because they do not know how to deal with her, nor do they have experience dealing with her, so they treat her indifferently.

陌生人是不会理解她的，因为他们不知道该如何与她打交道。

youdao

The public would neither accept nor understand how you can sign up to an excellent deal and walk away "on the strength of an informal survey to which less than 36% of all your members responded", he added.

BBC: A doctor

And yet no one shouting for more taxes on banks seems willing to understand what this tax is nor how it works.

FORBES: Taxing Bank Profits: I Wish People Would Understand This

So it should come as no surprise that neither the Legislative body nor the Executive Branch intuitively understand how entrepreneurs think or how best to drive technological growth.

FORBES: Washington D.C. Needs More Entrepreneurs