Source of Funds explanation
My name is XXX（填写英文姓名）. I am a freelancer, my current source of income is from XXXXX（根据实际情况，用英文填写收入来源，如房租收入、炒股收入等）. All the expenses of this trip are taken by myself.
Thank you for your attention.
Signature:此处签名
2018/09/14（根据实际日期修改）