We should make exact estimates aforehand.

我们需要事先作出准确的估计。

youdao

She hath done what she could: she is come aforehand to anoint my body to the burying.

她所做的，是尽她所能的；她是为我安葬的事，把香膏预先浇在我身上。

youdao

A technique used by the Japanese to obtain a consensus in decision making is known as "aforehand communication."

日本人在做决定时用来取得共识的技巧叫做“事先沟通”，很有名。

youdao