expense [ɪk'spens]
n.消费,支出
词根记忆:ex(出)+pens(花费)+e→费用,支出
at one's own expense
自费
inspire [in'spaiə]
vt.鼓舞,激励
词根记忆:in(进入)+spir(呼吸)+e→吸入灵感→启示