Original sentence: In computers, Sage (from Japanese sageru;  下げる "to lower") refers to replying to a thread whithout bumping it to the top of the list on a 2ch-style message board
Edited sentence: In computers, Sage (from Japanese sageru;  下げる "to lower") refers to replying to an undesirable post while keeping it from rising to the top on a 2ch-style message board