我们夫妇两人申请美签,小孩是加拿大籍不需要美签。小孩才20个月大,离不开我们两个,老人家远在中国。所以面试时小孩必须带在身边。但多伦多美国领事馆的网页说“Due to space limitations and security requirements we cannot permit entry to applicants' relatives (including minor children not applying for visas), friends, travel agents, advisors or attorneys.”