美西雅图租车，6月7-28号三周，National.UK增驾免费结束？
租车3周，怎么最便宜？看National。UK网站上，可以免费增加驾驶员，怎么选择不成？full-size 车型，三周要900美金，增驾再加210刀。包含：
Loss Damage Waiver Full
Supplemental Liability Insurance
Consolidated Facility Chg 6.00 Per Day
Concession Recovery Fee 11.10%
Veh License Cost Recovery .36 Per Day
Sales Tax
State Rental Tax 5.9%
Sports Facility Tax
Rta Tax
Unlimited Mileage请达人指点
我自己选的时间，additional driver 又要加钱，
搞个促销优惠，都打迷踪拳，太无聊了
要从这个特定链接点选时间和地点才能享受免费多一名驾驶员。