在原西德一条街道的两端，各有一家生产机床附件的公司，两家公司产品大致相同，为争夺市场，他们在提高产品质量上下了很多功夫。两家公司在市场上一直旗鼓相当。有一段时间，他们同时发现，在香港市场上销售的一种机床用灯的销量突然大增，于是两家公司分别派出市场调查人员 At both ends of a street in the original West Germany, each had a company that produces machine tool attachments. The two companies had roughly the same products. In order to compete for the market, they took a lot of effort to improve product quality. The two companies have been on the market quite well. For some time, they also found that sales of a machine tool lamp for sale in the Hong Kong market surged suddenly, and the two companies each sent market researchers