externality

.ekstә:'næliti

n the quality or state of being outside or directed toward or relating to the outside or exterior

n. 外形, 外在性

18,021

BNC 频率

18,904

使用频率

externality 由词根 extern（外部的）和后缀 -ality（性质）构成，表示一种外部性质或影响。

例句

1. The factory's pollution is a negative externality that affects the health of nearby residents.

这家工厂的污染是一个负外部性，影响了附近居民的健康。

2. When a company invests in renewable energy, it creates a positive externality for the environment.

当一家公司投资可再生能源时，它为环境创造了一个积极的外部性。

3. Externalities can lead to market failures if not properly addressed by the government.

如果政府不妥善解决，外部性可能导致市场失灵。