written abbreviation for your mileage may vary: used, for example on social media and in text messages and emails, to mean that you understand people may have a different opinion or experience to yours

Their first album is better, but of course YMMV. 他们的第一张专辑更好，当然各人有各人的见解嘛。

Remember, as they say, ymmv, and this is just what I personally happen to like. 记住，正如他们所说，一切见仁见智，这碰巧只是我个人喜欢的东西。