不好意思,在確認一下,我父母在中國呆了大於6個月小於一年,這次回美國入境時就顯示綠卡就行了,是嗎? -Yes. 會不會入境時被刁難? -Normally it is fine. If they IO asks, they may just explain it and provide the doctor/hospital proof, such as diagnosis and medical bills/payment, etc. 謝謝8老師了!