我们理解，丁老师叫停六四捐助，是为捐款人考虑，我们也确实都是一些退休老人，收入并非如退休前充裕，特此对丁老师的“致友人”一信表示感谢。
We understand that Ding called a stop to the June 4th donation for the consideration of the donors; we are indeed retired elderly, and our income is not as much as before; we hereby thank teacher Ding for his “Letter to Friends”.