No competition, no pro GREss.

没有竞争，没有进步。

No one could gress the cause.

谁也猜不出是什么原因。

The GREatest obstacle to pro GREss is prejudice.

进步的最大障碍是偏见。

Let's study English and make pro GREss together.

让我们一起学习英语，共同进步。

Set more challenging goals as you make pro GREss.

一有进步，就定下更有挑战性的目标。