歷年的用法和樣例：
例句
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他說他的工會——運輸工會504分會——歷年來在合約上做了「極大的讓步」以協助泛美［航空公司］紓解財務困難。「結果全然沒用，」他哀傷地說。
He said his union, Local504 of the Transport Workers Union, made "massive contract givebacks" over the years to help Pan Am with its financial troubles. "It was all to no avail, " he lamented.
