The oil industry goes with the high end of the range,which could equal as much as 10% of U.S...为The oil industry goes with the high end of the range,which COULD equal as much as 10% of U.S.consumption for as long as six years.为什么会用could?
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The oil industry goes with the high end of the range,which could equal as much as 10% of U.S...为The oil industry goes with the high end of the range,which COULD equal as much as 10% of U.S.consumption for as long as six years.为什么会用could?
The oil industry goes with the high end of the range,which could equal as much as 10% of U.S...为
The oil industry goes with the high end of the range,which COULD equal as much as 10% of U.S.consumption for as long as six years.为什么会用could?
The oil industry goes with the high end of the range,which could equal as much as 10% of U.S...为The oil industry goes with the high end of the range,which COULD equal as much as 10% of U.S.consumption for as long as six years.为什么会用could?
这里的could不代表can的过去式,用could只是为了表示一种委婉的语气