energy conservation的用法和樣例：
例句
- Labour will give top priority to energy saving rather than energy sales.
工黨將把優先權放在能源節約而非能源銷售方面。 - He said that since SUVs guzzle more gas, they were anathema to energy conservation efforts.
他說運動型多用途汽車很耗油,是能源節約的殺手。 - Who discovered the conservation of energy?
誰發現了能量守恆？ - In other examples, energy conservation may provide the easiest route to a solution.
在其他的例子中，能量守恆可能提供解題的最簡易的方法。
