动词短语
中文翻译：为船讨价还价
同义词：
['negotiate for', 'bargain for例句：1. The fishermen spar for a better price for their catch.（渔民们为了更好的价格讨价还价。）']
例句：
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1. The fishermen spar for a better price for their catch.
渔民们为了更好的价格讨价还价。
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2. The captain spar for the best deal with the shipping company.
船长与航运公司讨价还价，争取最好的交易条件。
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3. The merchants spar for the lowest possible cost for their goods.
商人为了尽可能低的成本讨价还价。