I'm very grateful to every member who responded to the question, and I also welcome people to provide useful information regardless of whether they are rude or not. I do hope that all our remarks can be helpful to others with the same problem. Hope I made my point clear.
Is there anyone else who can respond to my question? Please let me know if my question is not clear enough, thank you!
Is there anyone else who can respond to my question? Please let me know if my question is not clear enough, thank you!