commonplace

Drug use has become commonplace at rock concerts.在摇滚音乐会上，吸食毒品已司空见惯。

He photographed commonplace objects like lamps and bowls.他拍摄如灯和碗这样的常见物品。

Much of her writing was commonplace [=unoriginal, unremarkable] and boring.她的文章很多是老生常谈，毫无新意。

It is a commonplace that we only use a small part of our brain's capacity.我们人类只使用我们大脑容量的一小部分，这已不是什么新鲜论点了。

We now accept cell phones and laptop computers as commonplaces of everyday life.我们现在已经把手机和笔记本电脑视为日常生活中的常见用品了。