He learns Japanese for business purposes.
他学习日语是为做生意。
She learns Japanese for business purposes.
她学习日语是为做生意。
He learns not only English but also Japanese.
他不但学习英语而且还学习日语。
He learns not only English but Japanese.
他不但学英语，而且学日语。
He learns English as well as Japanese.
他既学日语，又学英语。
He learns English as well as Japanese.
他既学日语，又学英语。
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