that of :
1. 代替签名的某个内容
The size of China is bigger than that of USA. (that of = the size of )
2. 代指 “那一类”（that of = the size of )
His manner was that of someone accustomed to mixing with nobles.
(他的言行举止属于那种习惯于跟贵族打交道的人)
3. that 用于强调上文提到过的词或短语 表达的同类意思，that of ... 的意思是 “... 的同类的那种东西/事情”
that of 不能省略，否则后面的名词短语就成了前面名词短语的同位语，也就是前者是后者的具体解释，
二者不是同一组东西的不同说法，但是原文指的是前者是一种东西，而后者是与前者同类的另一种东西。
The effect was that of two guitars playing.
这样的效果是两架吉他在演奏。
Her novel was by far better than that of any other writer sin the city.
她的小说比那个城市的其他作家写的书好得多。
I said with a laugh that of course he had now found his man.
我笑着说这么说来现在他已经找到了他要找的人。
His lined face was that of an old man.
他布满皱纹的脸就像老人一样。
Their ruling passion is that of carnal love.
他们的主导激情源于肉欲之爱。
Its population is about triple that of Venice.
它的人口大约是威尼斯的三倍。
The body is
尸体是一名40岁上下的白人男子
The central issue is
最重要的问题是种族主义的到处泛滥
The sound was not unlike
这声音有点像鸟鸣
The plotline is similar to
该主要情节与其他众多电影的主要情节相似
The critics compared his work to
评论家把他的作品和马丁•埃米斯的相提并论
Her tone was
她的声音听上去好像家长在教训不听话的小孩
This work is in austere counterpoint to
这件作品的质朴风格与高迪的形成了有趣的对比
Are you sure he was lying? I can't believe
你确信他在说谎吗？我不相信他会干这种事
He has positively identified the body as
他已确认那具尸体是他妻子的
The style Shelley is using here is popular lampoon.
这里雪莱用的是通俗的嘲讽手法
Some commentators compared his work to
一些评论员认为他的作品像詹姆士·乔伊斯的作品
My teaching style is similar to
我的教学风格和多数教师相似
The language
有些科学用语也用于日常生活
Modern music is often considered inferior to
现代音乐常被认为不如过去的
Experts have authenticated the writing as
专家鉴定这字迹是拜伦的亲笔
The fertility
吸烟女士的生育能力是非吸烟女士的一半
The only sound is knives and forks scraping against china.
惟一的声音是刀叉刮擦瓷器的声音
Europe's foreign policy is inextricably linked with
欧洲的对外政策和美国的紧密相扣
The school's approach must be complementary to
学校与家长的教育方法必须相辅相成
The timbre the violin is far richer than
小提琴的音色比口琴的音色丰富得多
The basic design
这种汽车的基本设计与早期的样式非常相似
His version will later be cross-checked against
他的说法稍后将被与大学的说法进行多方核对
Our road safety record compares favourably with
我们的道路安全纪录比其他国家的好
Farmers were supposed to get an income comparable to
农民应该获得与城镇人相当的收入
The present position the house coincides with an earlier dwelling.
这栋房子现在的位置恰与原住宅的位置一致
His rejection
他对于我们价值观的摈弃远比D. H.劳伦斯更彻底
He has swapped his hectic rock star's lifestyle for
他已放弃紧张忙碌的摇滚明星的生活，改做乡村绅士
