America has left itself plenty of room to exclude sensitive products such as textiles and sugar from its duty-free, quota-free pledge.
比如，在一些敏感产品比如纺织品和糖制品的免税免配额方面，美国并没有作出任何承诺。
3
They also pay no vehicle excise duty, have cheaper insurance premiums, are exempt from London's Congestion Charge and can be charged for free at some public car parks.