n. 交易;市集;需求;交易情況,行情;
vt. 在市場上出售某物;推銷;
vi. <美>去市場買東西;
?? mark(merc-=trade)+et(名詞后綴)→市場;市集;交易;出售
"to buy or sell goods on the black market"
從事黑市買賣
近義:introduce, launch, merchandise, merchandize, release, commercialise
反義:obtain, procure, purchase, secure, acquire, get
adv. 頻繁地,屢次地;往往;動;動輒;
?? frequent經常的+ly...地 → 經常地,頻繁地
"The group have frequently used bully-boy tactics."
那個團伙常常耍流氓。
近義:oft, often, oftentimes, periodically, regularly, repeatedly
反義:occasionally, rarely, seldom, sporadically
v. 交換;兌換;改變(change的ing形式)
近義:astable, astatic, shifting, unsettled, unstable, unsteady
反義:immutable, incessant, lasting, assiduous, permanent, persistent