There's no way to attack the problem without taking a global look at externalities.
如果不以全球视角来看待这个外部成本，那么根本没有办法触及这个问题。
Negative externalities are one of the main reasons for market failure.
负外部性是引起市场失灵的主要原因之一。
What are the implications of network externalities for competition in your industry?
在你的产业中，网络外部性在竞争上有什么涵义？
Agriculture is the foundation of our country economy and the weak industry which has externalities.
农业是我国国民经济的基础，同时又是一个具有外部性的弱质产业。
Agriculture is the foundation of our country economy and the weak industry which has externalities.
农业是我国国民经济的基础，同时又是一个具有外部性的弱质产业。
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