1. Another couple attributed their son's misbehaviour to his small size. 另外一对夫妇把他们儿子的不良行为归因于其矮小的身材。
2. Extrapolating from his latest findings, he reckons about 80% of these deaths might be attributed to smoking. 从他最近的发现推断，他估计大约80%的这类死亡可能归因于吸烟。
3. He attributed his success to luck and others' help. 他将自己的成功归功于运气和其他人的帮助。
4. Surprisingly few extinctions of indigenous species can be attributed to competition from introduced species. 令人惊讶的是，本土物种的灭绝很少归因于外来物种的竞争。
5. More than 80% of those cases can be attributed to contact with contaminated water and a lack of proper sanitation. 其中80%以上的病例可归因于接触了受污染的水和缺乏适当的卫生设施。
