chain;linkage 產(chǎn)生～反應(yīng)，后果難料set off (or produce)chain reactions whose consequences will be hard to predict/～便利店convenience store chain/～經(jīng)營(yíng)chain-store operations/～零售商店retail chain;chain retailer/～商店chain stores/～反應(yīng)chain reaction;ripple effect