综合学习时间
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the time for comprehensive learning 综合学习时间
comprehensive learning time
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The Berlin-based startup's high quality app is the first educational application with both comprehensive and affordable learning material for iPad users that facilitates entertaining and multi-media language learning any time, any place.
ENGADGET: Babbel launches subscription-based language learning program for iPad
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