secondary industry的用法和樣例：
例句
- Liu spoke to Reuters on the sidelines of an industry forum but declined to give a revenue contribution forecast.
劉在一次產(chǎn)業(yè)論壇期間這樣對路透社記者說(shuō)，但是他拒絕做出財政貢獻的預測。 - The structures of primary, secondary and tertiary industries tend to become balanced.
三次產(chǎn)業(yè)結構趨向協(xié)調。
