同意书模板：
---
Parental Letter of Consent
We, the undersigned parents, hereby give our consent for our child, [Child's Name] （Passport Number: [Passport Number]）, to participate in the [Activity Name] to be held on [Date] at [Location]. We understand that all expenses related to this activity will be borne by us.
During the period of [Child's Name]'s stay in [Country Name], we authorize [Caretaker's Name] to take care of our child. We assure that [Child's Name] will return to our country on time.
We hope this activity will be a rewarding and enriching experience for our child.
Sincerely,
[Your Name]
[Your Signature]
[Date]
---
请根据实际情况填写相应的信息，如孩子的名字、护照号码、活动名称、日期、地点、照顾人姓名以及您的签名和日期。