It set off a chain reaction in the international money markets.

　　這一事件在國際金融市場(chǎng)上引起了連鎖反應。

　　Firefighters formed a human chain to carry the children to safety.

　　消防隊員組成人鏈把孩子們救到了安全的地方。

　　Small businesses are losing out to the large chains.

　　小商店被大型的連鎖店搶了生意。

　　She wore a heavy gold chain around her neck.

　　她戴著(zhù)一條粗實(shí)的金項鏈。

　　Insects are fairly low down the food chain.

　　在食物鏈中，昆蟲(chóng)是相當低的一級生物。