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C187 · 普通句（141 课）
Tutors should set clear goals at the start of the class.
Course 187
(普)Tutors should set clear goals at the start of the class.
1 句 · 父母与孩子分角色配音
旁白 neutral
Tutors should set clear goals at the start of the class
导师应在课程开始时设定明确的目标
