这几天看了论坛几位大神的帖子，尝试在Smashwords卖了本书，然后发邮件给客服，结果客服反馈回来Thanks for writing in. We no longer provide letters in support of ITIN applications because you no longer need an ITIN to receive royalties from us. When completing the form at Account > Payment Settings (https://www.smashwords.com/account/payee), you can skip line 5 and instead enter your Chinese Identification Number or Credibility Code in line 6.然后去看了FAQ里面的答疑