We shall often find correlation between grammatical and semantic categories.是什么意思？

We shall often find correlation between grammatical and semantic categories.

我们往往会发现语法范畴和语义范畴之间的相互联系.

we

pron. 我们，咱们，笔者，本人，朕，人们；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

shall

v. 将要，必须，可以，应该；

例句
We shall strike hard, without flinching, at terrorists and those who abet them.
我们要毫不退缩地严厉打击恐怖分子及其帮凶。

often

adv. 常常，经常，时常，再三；

例句
Genetic abnormalities are more often associated with faults in paternal DNA than in maternal DNA.
相对于母本DNA,基因畸变往往更多地与父本DNA上的缺陷相关。

find

v. 发现，找到，查明，发觉；n. 发现物，被发现的人；

例句
There are many people who still find the act of abortion abhorrent.
仍有很多人对堕胎行为表示厌恶。

correlation

n. 相互关系，相关性；

例句
...the correlation between smoking and disease.
吸烟与疾病的联系

between

prep. 在…之间，私下，暗中，在…中任择其一，来往于…之间；adv. 当中，中间；

例句
How big is the abyss between what you think you are and what you actually are?
你对自己的认识和真实的你之间差别到底有多大？

grammatical

adj. 语法上的，符合语法规则的；

例句
Should the teacher present grammatical rules to students?
老师是否应该给学生讲授语法规则？

and

conj. 和，与，而且，于是，然后，因此；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

semantic

adj. <语>语义的，语义学的；

例句
English apposition has various forms with various semantic relations and various pragmatic functions.
英语同位语有多种表现形式,体现出多种语义关系和语用功能.

categories

n. 种类，类别( category的名词复数 )，派别；

例句
The law covers four categories of experiments...
该法规适用于4类试验。