Translation of Inkompatibilität

From time to time I listen to my old CD collection. However, most of the CD boxes, meaning the covers, are so full of dust that one can hardly see the image. Taste changes with the age, that is known.
While time is a great healer, it is very difficult and not necessarily advisable for a country to forget its past, therefore history always keeps the tensions to others alive. I will explain.
The reason for doing an excursion to Macau was that we had to catch a flight back to Thailand. Air Asia offered a ticket for 50$, while the same flight from Hong Kong would be over 200$.