1. In only one of these last eleven years was the weather unfavorable for growing citrus crops. 在过去的11年里，只有一年的天气不利于柑橘作物的生长。
2. In contrast, unfavorable conditions that occur unpredictably pose considerable problems for organisms. 相反，不可预测的不利条件会给生物体带来相当大的隐患。
3. Unfavorable conditions that are relatively predictable probably pose a simpler problem for organisms than do unpredictable conditions. 对生物体来说，相对可预测的不利条件可能比不可预测的条件造成更简单的问题。
4. The accessions of Arcadius and Honorius as emperors in the East and West respectively illustrate the unfortunate pattern of child heirs that had unfavorable effects for both empires. 阿卡狄俄斯和霍诺里乌斯分别在东方和西方当上了皇帝，这说明了继承人的不幸模式对两个帝国都有不利的影响。
5. Employees who receive unfavorable evaluations must also be given attention. 那些受到负面评价的员工也必须得到关注。
