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Shan Huang
what is difference between “filter” and “screen” when they are interpreted as “pick up”?

It seems “filter” is more commonly used. So where is “screen”  used?

Sep 14, 2016 12:15 PM
Comments · 4

Please screen my file before I present it to these directors.

Please give me a filter to exclude dirty dirt. 

September 15, 2016

An image search will still help you. Look at pictures of "filter", "screen" and "sifter" to see the physical objects.

Think of how these items are used (ie. to filter = to use a filter) , and that will show you the difference between the verbs.

September 14, 2016
Maybe I mislead you . I just want to know the difference between  “screen”,“filter”  and "sift" .
September 14, 2016

Do an image search for "filter" and "screen". These are both physical objects, and you can understand the difference based on how each one functions.

I'm not sure how "pick up" applies here, unless you mean "detect" (ie. detect something when there are a number of distractions).  It'd be far better to post the sentences that you've found.

September 14, 2016
Shan Huang
Language Skills
Chinese (Mandarin), English
Learning Language