It’s best to stick to basics when planning such a large party.

筹划这麼大会最好着眼于基本东西。

We must not only focus on the construction of energy-efficient to reduce energy use, but also must consider as a low quality (moronity value of the conversion rate) energy.

建筑节能不仅要着眼于减少能源使用，也必须考虑尽采用低品质（低能值转换率）能源。