They reported that clouds are an important and heretofore uninvestigated contributor to the climate.

他们报告说，云是影响气候的一个重要因素，但迄今尚未进行过调查研究。

We will continue to hold meetings on Thursdays, as heretofore.

一如既往，我们将继续每星期四开会。 。

He argued with more passion than heretofore for the abolition of the tax.

他用了迄今为止的最大热情，竭力争辩取消此税的主张。

Heretofore that information has been passed from one living thing to another.

从前，这种信息只是从一个生命体传给另一个。

Your work heretofore has been done with the help of your conscious mind alone.

至今为止你所做成功的所有事情都是你的意识思想所至。