The problem is that this latter approach is currently much less energy-efficient, says Dr Coe-Sullivan.

问题是，后者所采用的方式在目前却不够节能，柯-苏列文博士讲道。

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The problem is that this latter approach is currently much less energy-efficient, says Dr Coe-Sullivan.

问题是，后者所采用的方式在目前却不够节能，柯-苏列文博士讲道。

youdao