急求，不敢确定。请问这封是offer吗？

Congratulations! You have been admitted to Indiana University for the fall 2011 term! IU offers students from across the U.S. and around the world an amazing college experience. Your official acceptance packet will be sent by express courier (if you live outside of the United States) this week to the address you previously provided; but, we wanted to give you the good news today!

You can expect to recieve your acceptance letter within approximately four weeks. If you have not received your acceptance packet within four weeks, please let us know. Until it arrives, you can use the following links to begin preparing for your future at IU:

这是一封录取通知书前的告知信函,不算是正式的录取通知书,如果你住在美国以外的地方,正式的录取通知书会快递给你,快递需要大约四周的时间到达你那里.

当然是了，印第安纳大学的offer

最近总有外资的甲方提及sas，问询了一下，sas在dw,bi，data mining的地位类似sap在erp的地位。