投诉complain v ./complaint n .
问题的problematic
预期expectation
坚持adhere
意见opinion
情况situation
误会misunderstanding
愤怒indignation
描述description
理解comprehension MH2IJ9bV1MjM0tz2H8apY3DQ8ybyW3RLw9AZhvQwAdjvhWv/oLW4UiM8rsc431UE