In general larger firms grew at the expense of smaller ones.
总体来说,大企业靠牺牲小企业成长起来。
Within the industry large agencies gained at the expense of smaller ones.
行业内小旅行社入不敷出,大旅行社枝繁叶茂。
Lead-acid batteries with thicker electrodes can tolerate such "deep" discharges better than those with thin ones, but only at the expense of making a heavy battery even heavier.
采用厚电极的铅酸电池可以比采用薄电极的铅酸电池更能容忍这种“深度”的放电,但只能以生产更为沉重的重电池作为代价。
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