刚从新西兰回到国内就收到新西兰移民局的邮件，请帮我看看是啥意思
Dear ,
Our records show that your visa is due to expire, as follows:
Client number
Visitor visa expiring on 18/09/2016
If you are planning to stay longer in NZ then you should lodge a new application for a temporary visa without delay.
How to apply
The fastest and easiest way to apply for your visa is online, visit the Immigration New Zealand website for more information.
No further action is required if:
•You have lodged a new temporary application, or
•You plan to leave New Zealand before 18/09/2016, or
•You are an airline employee that entered on a temporary class visa but will be departing as crew.
We hope you have had an enjoyable stay in New Zealand.
Kind Regards
Immigration New Zeal
If you would like to lodge an enquiry with Immigration New Zealand or to see answers to frequently asked questions you can visit our Online Help site at www.immigration.govt.nz/help
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这个邮件的意思是，你入境签证的逗留期限已经快到了，到2016年9月18日为止；（你应该是8月18日入境新西兰的？）
所以，提醒你不要超期滞留，如果有必须，可以申请延长逗留期。
你已经回国，当然不存在这个问题了。
最快的申请方法是在线申请。
另外例举了集中不需要申请签证的case。比如你9月18日之前就走了，或者你是航空公司职员，只是来新西兰短暂停留而已。
可是我的签证是2016年8月3号到2018年8月3号的2年多次往返啊