These are customer complaints.

这些是客户的投诉。

Customer complaints handling.

客户投诉处理。

Handling of customer complaints after leasing.

处理出租后的客户投诉等。

Assist in resolving customer complaints and issues.

协助解决消费者投诉问题。

Do you keep records on customer complaints and questions?

您记录客户抱怨和问题吗？