YSK: If you sit at a chair for hours a day, raise the armrests (if adjustable) such that they promote your shoulders to be even and your back straight
from /r/YouShouldKnow
YSK：如果你每天坐在椅子上几个小时，提高扶手（如果可以调整），使其促进你的肩膀保持平衡，背部挺直。
YSK：如果你每天坐在椅子上几个小时，提高扶手（如果可以调整），使其促进你的肩膀保持平衡，背部挺直。
YSK: If you sit at a chair for hours a day, raise the armrests (if adjustable) such that they promote your shoulders to be even and your back straight
from /r/YouShouldKnow