求翻译：瓷砖是人们装修中必不可少的建材产品，近年来，瓷砖的品类变化层出不穷是什么意思？

Ceramic tiles are indispensable decoration of building materials in recent years, rock tiles category changes abound--gold, Platinum ice, Earth and rock, block cubic; Nano self-cleaning, zero water absorption, calligraphy and painting tiles, and so on, tiles from the inside out in seeking to change. In the upcoming 2010, tiles will usher in a "mood".