Sign rein with the account you associated with this version of Office. This account can be a copyright, or work or school account. "Learning isn't just about being better at your job: it's so much more than that. Coursera allows me to learn without limits." 共享账号由于多人使用，其稳定性往往难以保证。一方面，账号可能因登录设备过多、登录地点频繁变动等原因被系统判定为异常登录，从而导致... https://peterp418zce9.blogdal.com/profile