My apology to all those good old days, because I didn't know how to cherish at that time .
我向所有美好的旧时光道谦，因为那时不知道珍惜。
Apologizing does not always mean you are wrong & the other person is right. It just means you value your relationship more than your ego.
道歉并不总是代表我承认自己错了，只能说，我在乎我们的关系，比我自身还在乎。