1 . convenience
...4C,組合,顧客,customer,成本,cost,便利,convenience,溝通,communication, 4R組合21世紀(jì)初,美國學(xué)者唐·舒爾茨,Don Shul.
2 . Facilitate
Facilitate 易化Facilitate 加速,便利Fainting 暈厥
3 . facility
facilitate v 使容易facility n 便利fact n 事實
4 . expedience
expected vlaue 期望值expedience n. 便利expediency =expedience