(of a place or a distance 地方或距离 close enough or short enough to make travelling to work every day a possibility 上下班方便的；（离工作地点）近的 - (
law 法律 a commutable punishment can be made less severe （刑罚）可减轻的 - (formal)
able to be changed 可改变的；可变换的
Word Originmid 17th cent. (in sense (3)): from Latin commutabilis, from commutare ‘exchange, interchange’ from com- ‘altogether’ + mutare ‘to change’. Sense (1) dates from the 1970s.