| ประโยคภาษาจีน : 中文句子 | 
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|  lùn shù论述  zhě者  jiǎ dìng假定  gù kè顾客  bù zhī dào不知道  mài qí lín麦淇淋  hé和  huáng yóu黄油  zhī jiān之间  de的  qū bié区别  bìng qiě并且  yóu cǐ由此  jiǎ dìng假定  gù kè顾客  shì是  mǎn yì满意  de的  zhè shì这是  yí gè一个  zhì mìng xìng致命性  cuò wù错误  huì会  dǎo zhì导致  shēng yì生意  hé和  shōu yì收益  de的  xià jiàng下降 | 
| To assume that they do not know the difference between margarine and butter is to assume that the customer is satisfied, which could be a fatal mistake leading to declining business and revenue. |