1.This is the third time I have written to you about my complaint and I would appreciate a reply by return.
这是我第３次写信给你提出我的投诉，我希望你能马上答复。收藏指正
2.a written statement of the grounds of complaint made to court law asking for the grievance to be redressed.
给法庭出据的请求伸冤的书面控告。收藏指正
3.9 Do you have a pending or have ever made a complaint, oral or written, regarding a past FX, commodity futures or securities broker.
您是否曾经和外汇经纪人、商品期货经纪人上或者证券经纪人有过未决事宜、向其做出口头或书面抱怨行为？收藏指正