I'm going to give you a complete sample essay.

我会给你们一个完整的作文样本。

They were trying to find the faintest stars they could in the cluster to get a complete sample of its membership.

他们试图找到星团中最暗淡的恒星，以获得其完整的样本。

I will continue by giving you a complete sample essay just to show you what I mean and to give you some techniques you can use to increase your score a little bit more.

然后我会给你们展示一篇完整的论文范文，只是为了向你们展示我的意思，并教你们一些技巧，你们可以使用这些技巧来提高你们的分数。