What low cost, no cost measures could be taken to reduce the school's energy use?

有什么低成本，或者接近无成本的措施能够被执行去减少学校的能源消耗？

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What low cost, no cost measures could be taken to reduce the energy used for heating in the school?

有什么低成本，或者接近无成本的措施能够被执行去减少学校暖气设备的能源消耗？

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What low cost, no cost measures could be taken to reduce the energy used for cooling in the school?

有什么低成本，或者接近无成本的措施能够被执行去减少学校冷气设备的能源消耗？

youdao

Content providers do not like payments for microtransactions either, because they punish avid users, nickel-and-diming them to death, while rewarding dabblers by giving them what they want at low cost.

ECONOMIST: So many ways to pay online

What are some potential low-cost businesses that can be started and operated by a teenager?

FORBES: 5. Give them equity once they��ve proven themselves.

What they represent is a low cost opportunity to apply new solutions in the market before anyone else, enabling first-to-market advantage and enjoying the ability to increase strategic revenue streams or reduce operating expenditures.

FORBES: Corporate Venture Capital: Big Business Can Spur Innovation