分类：教育/科学-外语学习
问题：你可以来试听我们的课程，这个句子怎么翻译？ 
回答：You are welcome to try our course for free.

You can join our course on trial bases.

You are welcome to audit our courses for free.

如果试听有时间限制（如开始的一个月）：

You can join our course on trial bases for one month before you sign up.