Can I watch a demo of the online course?

我们可以看到网络课程的试听课程么？

She's been taking the online course for two months.

她选修网络课程已有两个月的时间了。

Hello! Welcome to our Chinese Threshold online Course!

您好学员，欢迎进入汉语零起点课程！

In the second place, online course is more convenience and flexibility.

第二，网络课程更具便利性和柔韧性。

Second, the provision of CD and online course are not in the real usage.

其次CD光盘和网络教程都没有得到充分的使用。