那是让你写邮件通知移民局，身在加拿大境外无法参加考试。
更新：刚帮你查了官网，现在可能可以，你可以写邮件看看。
If you’re outside of Canada
If you get your invitation and plan to take the test while you’re outside Canada, send an email to the address in the
Eligibility section of your invitation.
In your email
- put “Outside Canada – Citizenship Test” in the subject line
- in the body of your message, include
- your full name
- your application number
- the start and end date for your test
We’ll contact you with your next steps after we receive your email.