可以这样说，美国主要向印度出售防御性武器系统，而（比如）俄罗斯向印度提供进攻性武器，包括战略轰炸机、航空母舰和核潜艇租赁。
As it stands, the US sells mainly defensive weapons systems to India, while Russia, for example, offers India offensive weapons, including strategic bombers, an aircraft carrier, and a lease on a nuclear submarine.