Overpowered Today, the cost of reducing energy consumption is only one-fourth to one-seventh the cost of developing energy sources. This has already become an important incentive for various countries to develop energy-saving technology.
重開源，輕節流今天，由於節約能源的支出費用只有開發能源的四分之一到七分之一，已成為各國發展各種省能技術的重要誘因。