③there +be (live, stand, lie 等表示存在的动词)+ 主语
2. Beijing doesn't have as many freeways as Sydney does.
北京没有悉尼那么多的高速公路。
as many freeways as Sydney does 为比较状语从句,as many…as “和……一样多,有……之多”(修饰可数名词)。
He has learned as many English words as his brother has.
他已学了和他哥哥同样多的英文单词。
as much…as 和……一样多,有……之多 (修饰不可数名词)
She spread as much butter on her bread as Jane usually does.
她在面包上涂的黄油与珍通常涂的一样多。
3. It's an agreement between towns or cities of similar size and age…
它是有着相似的面积和年代的城镇或城市之间的一份协定……
“be of ＋抽象名词”常用来描述人或事物的特征。
The two girls are of the same age.
这俩女孩年龄相同。
The meeting being held is of great importance.(＝The meeting being held is very important.)
正在举行的会议很重要。