请教大家，第一封套磁信回复了，接下来该怎么回比较好？

第一封套磁信发了CV，然后简单说了一下想去读PhD，教授回复内容如下：
Thanks for reaching me and your interests in my work. Your resume is strong and the research looks like a good match. Please apply and let's keep in touch.
Meanwhile, would you mind emailing me your transcript as well?
请教大家，接下来该怎么回复……