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LaTeX Equations
，这一点在im钱包官方下载中也有详细论述
The platform focuses on practical communication rather than memorizing vocabulary lists. Lessons are short — about 10–15 minutes — and structured around real situations: transportation, dining, shopping, introductions. You learn the sentences you actually need instead of academic filler.
后置搭载 2 亿像素主摄，并配备 5000mAh 电池与 60W 快充，将于 2 月 26 日正式发布。