self-study package

常見例句

雙語例句

• There's also another human reason why it's difficult. Once you have bought a comprehensive self-study package, it requires enormous self-discipline to work through it.
  另外還有一個在于人的原因：一旦你買了一整套自學材料，你就得做到嚴格自律，持之以恒，仔細研讀它們。
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