去粗取精的英文：
to discard the dross and select the essential
v.
1.[T]丢弃，抛弃
2.[T,I]垫（牌），打出（无用的牌）
n.
被抛弃的人（或物），（尤指）垫出的牌
- The next player discarded a club.
下一个牌手打出一张梅花。 - In this case the fractional part is discarded.
在此情况下小数部分被丢掉了。 - We will discard the old books.
我们将不再使用这些旧书。
n. 浮渣,碎屑,渣滓
- Frequent skimming or improper skimming can cause a much higher dross loss
撇渣过频或操作不当会使浮渣损失很大。 - "dross:a waste product or an impurity, especially an oxide, formed on the surface of molten metal."
〞废料或混杂物,尤指在融化金属表面形成的氧化物.〞 - Second, we must carefully distinguish between the democratic values in our cultural heritage and the feudal dross, and between the lingering feudal influences and certain unscientific methods and unsound procedures in our work resulting from lack of experience.
其次，也要划清文化遗产中民主性精华同封建性糟粕的界限。还要划清封建主义遗毒同我们工作中由于缺乏经验而产生的某些不科学的办法、不健全的制度的界限。
v. 选择，选拔
adj. 精选的，优等的；有钱人使用的；苛责的，挑剔的，爱挑三拣四的
- skirt selectivity
边缘选择性 - Then you select the leader.
然后你们选出指挥。 - These are selections from Faulkner.
这些是福克纳选集。