鸟人们常常计划参与观鸟节旅行以便看到更多的鸟，他们也可能会上一些摄影或者基础鸟类学的课程来帮助扩展他们的知识并让观鸟这个爱好更加有趣。

Birders often plan travel to festivals to see more birds and they may take photography or basic ornithology classes to expand their knowledge and enjoyment of the hobby.

youdao

许多到特拉华大学的学生预计要学几个月的英语课程，但结束时在语言学院已经学了一年或更多的时间，同时每学期（八周）要交$2850。

Many arrive at Delaware expecting to take English classes for just a few months, but end up spending a year or more at the language institute, paying $2,850 per eight-week session.

youdao

当你学完后边的课程，你将学到更多的程序元素并学会如何使用它们。

As you complete the following lessons, you will learn more about these elements and how to use them.

youdao