Could you just help me with this box, please?
请帮我搬一搬这箱子好吗？
Please file it in my 'Research' file.
请把它归入我的.'研究类档案。
You are free to come and go as you please.
你来去自由。
Please let me know how many are coming, if any.
请告诉我，如果有人要来的话，有多少？
If you have any issues, please call this number.
如有问题，请拨打这个电话号码。