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1·Needless to say, this decision is highly confidential, and the senior management is unware of my intention .

不用说，这个决定是高度保密的，高层管理者还没有意识我的意图。

2·Unware of the harm of diphtheria, the little girl was unwilling to be discovered so that declined to be examined by the doctor.

女孩由于不懂白喉之可怕，不愿被医生发现自己的病情而抗拒医生的检查。

3·Thus, unless humans are around to smell the distinctive sent of methane gas, they would be unware of the release of this gas due to stretched rock beneath their feet.

因此，由于人们脚下的岩石是延展着的，除非人类在周围闻到了甲烷这种特别的气味，他们才会知道有这种气体释放出来的。