Some experts say there are still good reasons to believe cheap oil should heat up the world economy.
一些专家说，我们仍然有充分的理由相信，廉价石油会使世界经济升温。
2
Luckily, the economy of heat is diverse.
幸运地是，这个火热的经济体同时也是多样化的。
3
In this paper the effect of using direct heater on heateconomy of sugar factories is discussed, also the quantity analysis method and calculation equations for vapor consumption are introduced.