从深层次来看，以色列面临的问题是如何适应和熟悉旧时期的军事理论，即威慑理论。
On a deeper level, Israel is confronting the problem of how to adapt an old and familiar military doctrine to changing times. That doctrine is deterrence.
现在，中美两国应该进行深层次的交往，并且尝试从对方民众的角度来看问题。
The two countries are at a point now where we'd be very smart to engage in a deep level and try to see things from the other people's points of view.
从深度来看，专家可以将信息综合起来加以深层推理，而新手是对单个信息进行加工的表面推理。
The expert can integrate the information and receive a deep inference, while the novice only can get a superficial inference on single information.
应用推荐