【評論主題】【題組】6. Jacky likes to s f the Net in his free time.

【評論內容】如題，請問，如果甲、丙皆未通知乙。且乙也不知道債權已經讓與給丙，那丙可以委託甲代為向乙收受債權得利後再轉交於丙嗎?