zhè / xiàng / gōng / zuò / xū / yào / pī / shā / jiǎn / jīn / cóng / dà / liàng / zī / liào / zhōng / zhǎo / chū / zhēn / zhèng / yǒu / jià / zhí / de / nèi / róng

这项工作需要披沙拣金，从大量资料中找出真正有价值的内容。

This work requires separating the valuable material from a large amount of information.