第一封套磁信得到回复后，请问大佬们我该如何邮件回复对方教授

大佬们，想请教一下，第一封套磁邮件以后，那边老师回复You are most welcome to study in my lab. As the scholarship is very difficult now, you may try to apply for the CSC. 我该怎么回复他呢？