聯合航空商務艙踩雷了嗎？ 第一次綠卡入境成功 🇺🇸

This time I flew United Airlines Business Class (Polaris) by upgrading with 30,000 miles + $600. Was it worth it? Here’s the full review — seat, dining, lounge, and the overall flying experience. At the same time, it was also my first time entering the U.S. with a Green Card! I’ll share what the immigration process was like, what questions customs asked, and some personal tips. If you’re curious about ✈️ long-haul upgrades, the U.S. Green Card entry process, or United Airlines Business Class, I hope this video gives you some insights! 📌 Timestamps 00:27 Upgrade background 01:25 Boarding — Business Class seat 03:07 Dinner service 05:04 Breakfast 05:27 Entering the U.S. 06:08 Final thoughts #UnitedAirlines #Polaris #GreenCard #BusinessClassReview #MileageUpgrade