When two parties contend with each other, refusing to give way, a third party often takes advantage of their mutual struggle or exhaustion to gain benefits; to profit from others' dispute.
两家公司为了争夺市场份额，打起了价格战，结果让新兴的竞争对手坐收渔翁之利。
The two companies engaged in a price war to compete for market share, allowing an emerging competitor to reap the benefits of their struggle.
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