這筆交易是專有的，但那是鋁土礦涉及“非常大的投資”，並且如果探索性鑽探

這筆交易是專有的，但那是鋁土礦涉及“非常大的投資”，並且如果探索性鑽探如果成功，Billiton將成為運營商。

結果 (英文) 1:

The deal is proprietary, but that is involved in bauxite "very large investment", and if the exploratory drilling, if successful, Billiton will become the operator.

結果 (英文) 2:

The deal is proprietary, but it is bauxite involving "very large investments" and if exploratory drilling is successful, Billiton will become operator.

結果 (英文) 3:

The deal is proprietary, but it is bauxite that involves "a very large investment" and if exploratory drilling succeeds, Billiton will become an operator.