A subsidy from a government to an industry. 补助费政府给予工矿企业的补助
The islanders don't want to leave, and probably wouldn't if there were a subsidy to reduce freight charges. But they don't see that happening. 岛上居民不愿离开;要是有补助金使运输费用降低的话,他们很可能不会离开。但是,他们对补助金并不存奢望。