This saying is one that I think is used as we might use "take only what you need." If you have a better description of how it may be used, please feel free to add it to the comments below.各取所需gè​qǔ​suǒ​xū​Each takes what he ne...

In English there are set ways that you can say things in pairs, that usually wouldn't necassarily come in twos. For example: two Jeans is wrong, yet a pair of Jeans is correct. Two glasses is wrong, but a pair of glasses is correct. Two shoes is ok, but a pair of shoes is better. The list could go on; headphones, shoelaces, scissors, shorts, gloves... etc.In Mandarin I got very confused because the classifier for veichles is very similiar...