英语语法分析

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。

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。

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。