1He objected to our charging dues
2None of us had the final say in this matter,and therefore it was recommended that we wait for the authorities.
3Unless a scientist is being deliberately informal,he tend to speak like a book when he is explaining science.
參考答案:1.他拒付我们到期款。
2.在这件事上我们谁也不能说了算，因此有人建议我们把它留给专家。
3.科学家解释起科学来，除非他有意说的通俗，否则他讲起来一定是文绉绉的。
