双方都有强有力的论据支持他们。

Both sides have strong arguments ___in ___their ___favour.

不幸的是，天气条件对我们不利，但雨只下了几分钟，看起来一点也不像倾盆大雨。

Unfortunately the weather conditions were not ___in ___our ___favour, but the rain only lasted a few minutes and did not look at all like a downpour.

最终决定对他有利，允许他继续这个项目。

The final decision was ___in ___his ___favour, allowing him to proceed with the project.