What additional features would you add if you could?
如果让你添加新功能，你会添加什么功能？
Do you honestly know what all those additional features are for anyway?
你真正的了解那些附加的功能是做什么用的吗？
It has additional features built into it that make it especially hard to counterfeit.
护照内置了附加功能，使其很难伪造。
Additional features include optional encryption, network support and much more.
额外的功能包括加密选项，网络支持等功能。
Additional features include optional encryption, network support and much more.
额外的功能包括加密选项，网络支持等功能。
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