a great deal about the age and size of the universe.为什么用about?不用of? 或能省略吗?

Americans think a great deal about time . 翻译 Icare about you a great deal “I care about you a great deal I care about you a great deal I care about you a great deal care about you a great deal 是什么意思care about you a great deal 是什么意思 Americans think a great deal about time.的中文意思? 翻译：Diogenes ,I have heard a great deal about you . a great deal about many matters,你好后一句是这样, I care about you a great deal .But you don't know how much you mean's to me.急. In fact I care about you a great deal,but don't know how to face you! There is a great deal of_(decide)about how to deal with problem. a great deal用法 a great deal of not a great deal a great deal about a great deal of区别一直习惯用of最近发觉有些后面加about如 a great deal about the age and size of the universe这和用of有什么区别呢? a great deal of造句 smile a great deal是什么意思?