知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 避免只收全款、无法提供平台交易、无真实案例展示的中介，一定选择有资质、有服务协议的平台。 The TRF is the standard proof of candidate's English proficiency, which shows candidate's scores for all four skill areas: listening, reading, writing and speaking, and the overall Musikgruppe score. The test result is valid for 2 ... https://edwardo011kbm7.cosmicwiki.com/user