白卡现在好像可以在线填写了
查查ICA网页
https://www.ica.gov.sg/enteringanddeparting/entry_requirements/e-arrival-card
https://www.ica.gov.sg/eservicesandforms/e-arrival-card
https://www.ica.gov.sg/enteringanddeparting/entry_requirements/e-arrival-card
https://www.ica.gov.sg/eservicesandforms/e-arrival-card