However, lower energy costs, thanks to abundant supply of shale gas, are not the sole factor. There are others such as wages and availability of supply chain services, he said.
但是，较低的能源价格(这要感谢页岩气的充足供应)并不是唯一的因素，他说，还有其他因素，比如工资，还有获得供应链服务的难易。
This project can not only improve the availability factor of coal but also save energy and enhance environmental protection.
该项目不但可以提高煤的使用效率，而且更加节能环保。
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