问题描述：
一小段英语翻译18-2
American firms have also begun arriving in large numbers. Chains such as KFC, McDonald’s and Pizza Hut are setting a new standard of customer service, using strict employee training and constant monitoring to ensure the friendliness of frontline staff. Even the American habit of telling departing customers to “Have a nice day” has caught on all over Israel. “Nobody wakes up in the morning and says, ‘Let’s be nicer,’” says Itsik Cohen, director of a consulting firm. “Nothing happens without competition.”其中的caught on 是什么意思? 翻译下全段,谢谢
American firms have also begun arriving in large numbers. Chains such as KFC, McDonald’s and Pizza Hut are setting a new standard of customer service, using strict employee training and constant monitoring to ensure the friendliness of frontline staff. Even the American habit of telling departing customers to “Have a nice day” has caught on all over Israel. “Nobody wakes up in the morning and says, ‘Let’s be nicer,’” says Itsik Cohen, director of a consulting firm. “Nothing happens without competition.”其中的caught on 是什么意思? 翻译下全段,谢谢
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