Obsolescence

[,ɒbsəʊ'lesəns] or ['ɑbsə'lɛsns]

解释:

(noun.) the process of becoming obsolete; falling into disuse or becoming out of date; 'a policy of planned obsolescence'.

整理:康拉德--From WordNet

解释:

(n.) The state of becoming obsolete.

安娜校对