Effective transportation depends on reasonable fuel costs.
有效的运输是依靠合理的燃料支出。
The poor have been hard hit by the impact of rising fuel costs.
穷人在燃料价格上涨中受到沉重打击。
Effective transportation depends on reasonable fuel costs.
有效的运输是要看燃料支出是否合理。
Battery and fuel costs will determine if plug-ins shoot ahead or stall out.
电池以及燃料的成本将决定充电式汽车的成败。
If the reaction took hours, and not seconds., the fuel costs would be prohibitive.
假如这一反应需要数小时而不是几秒钟，那么燃料成本就太高了。
It is not just altruism: greener engines also use less fuel, and so cut costs.
这并不完全出自于全心全意的奉献精神：环保型引擎也需要更少的燃料，从而降低成本。
It is not just altruism: greener engines also use less fuel, and so cut costs.
这并不完全出自于全心全意的奉献精神：环保型引擎也需要更少的燃料，从而降低成本。
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