every day和everyday 有什么区别？

“everyday”作adj.形容词时
1. Appropriate for ordinary days or routine occasions:
日常的：适于平日或日常场合的（作定语）
用法与例句：a suit for everyday wear.适合平日里穿的衣服
2. Commonplace; ordinary:
平常的：平常的；普通的（作定语）
用法与例句：everyday worries.日常的烦恼

“everyday”作n.名词时
3. The ordinary or routine day or occasion:
日常之事：普通的或平常的日子、场合的：
用法与例句：“It was not an isolated,violent episode. It had become part of the everyday”(Sherry Turkle)“这不是一个孤立的暴力事件，它已经成为日常中的一部分”(谢里·蒂尔克)

every day为adv.词组
without missing a day“每天”只能作时间状语。
Every day, Jackson goes along the Green Lake Park to school.
Jackson goes along the Green Lake Park to school every day.
*everyday 形容词：每天的, 日常的, 平常的, 平凡的
例：a suit for everyday wear.
适合平日里穿的衣服

*every day 通常做“每天”解作状语时，省掉介词（in),表示频率。
I go to school every day.我每天上学
He exercises every day. 他每天锻炼

第一个作状语 第二个定语
例子 1 I read this book every day。
2 I have finished my everyday exercise.

前者作时间状语，后者作定语

前者作状语，后者作定语