美领馆填写指南上说：
While the third party can assist the applicant in completing the application, he or she must instruct the applicant on how to endorse the application on his or her own behalf by clicking the “Sign Application” button.
是不是我在美国这边帮父母填好表，他们必须在国内登录进去 click the “Sign Application” button？
我不能在这边提交表格么？
多谢解答