通过多年经营
Through years of operation
以上为机器翻译结果，长、整句建议使用 人工翻译 。
几家老牌企业通过多年苦心经营，树立了各自的品牌，如今，品牌的力量已开始显现。
Several years of painstaking efforts by established businesses, to establish their own brand, and now, the strength of the brand is starting to show.
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