A great number of Egyptians are proficient in foreign languages.
大量埃及人精通外语。
My friend is proficient in three languages.
我的朋友精通三种语言。
They are professional in business, proficient in foreign languages and good at management.
他们是专业的业务人员，精通外语和善于管理。
They are professional in business, proficient in foreign languages and good at management.
他们是专业的业务人员，精通外语和善于管理。
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