1、 Organic farms incurred lower production costs because of their nonuse of pesticides and more expensive fertilizers.
有机农场因不用农药和较贵的化肥,故生产费用较低.
来源:辞典例句
2、 The total economic value of natural resources including use value and nonuse value.
自然资源之总经济效益,包括使用价值与非使用价值.
来源:互联网
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