尔尔 2022-10-30

Excuse me, have you voted? I just voted, it's OA, and it requires payment.

简单点 2022-10-22

Excuse me, is this the OA (Office Automation) system? Do I need to pay for it?

云影 2022-10-07

Submitted in February of a certain year, the language was not good, returned within a week, resubmitted three days later, returned in April, due for revision in June, applied for an extension, submitted in July, returned in August, accepted in September, after nine days, published online in October.

隔壁李叔不曾偷 2022-05-30

Are you Dr. Xiao Chen?