求翻译：Reportedly there was a maid， a countryside girl with only an educational background of primary school， working for an American professor who worked in Shanghai Jiaotong University， China。 After two years of stay at the learned and exotic surroundings， amazingly this plain girl could speak fluent English and started to help the host to receive and send e－mails to his students。 When the professor left for New York later， soon she sought a post at a multinational firm。 This example clearly reveals a common truth： appropriate nurture can turn an average person to be competent。是什么意思？

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