The difference between the two is readily discernible.是什么意思？

The difference between the two is readily discernible.

两者之间的差别不难看出.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

difference

n. 差别，差异，[数]差数，差额，意见分歧，特色；vt. 辨别，区分；

例句
Contrary to popular belief, there is no evidence that what you look like makes much difference to your life.
和人们一般的看法相反，没有证据表明面相对人生有多大影响。

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？

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我

例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

readily

adv. 乐意地，快捷地，轻而易举地，便利地；

例句
Wild boar readily hybridises with the domestic pig...
野猪很容易和家猪杂交。

discernible

adj. 可识别的，可辨别的；

例句
There has been no discernible overall trend since 1975.
自 1975 年以来一直没有一个明朗的大趋势。