求翻译：镜子是现在日常居家生活中必不可少的用品了，受时代的发展潮流的更新，越来越多款式新奇、功能多用的镜子出现在我们身边，所以了解些基本的常识是必要的。是什么意思？

Essential supplies in the mirror is now daily home life, affected by the update of the development trend of the times, more and more style is novel, features multiple mirrors by our side, so to understand some basic common sense is necessary.