Another way to say this is that motivation is goal-directedbehavior.
另一种说法是，动机是目标导向的行为。
2
Within ten years we will have computers that respond to goal-directed conversations, but for a computer to have a conversation that takes into account human social behavior is probably 50 years off.
十年之内，我们就可实现人机有目的的对话，但是在对话时要电脑考虑到认得人的社会行为恐怕还要50年。
3
Within ten years we will have computers that respond to goal-directed conversations but for a computer to have a conversation that takes into account human social behavior is probably50years off.