The first reason is weather change.

第一个原因是天气变化。

youdao

Embrace her without question and watch your weather change.

别问什么，拥抱她，并看着你的境遇变迁。

youdao

There's going to be a change in the weather.

天气将有变化。

《牛津词典》

However,a minor accident and weather conditions forced a change in plans.

VOA: special.2010.05.26

Helen chose you without reason because she loves you without cause; embrace her without question and watch your weather change. Let go.

海伦毫无理性地选择了你，因为她对你的爱,也无原因，别问什么，拥抱她,看着你的境遇变迁，放开。

耶鲁公开课 - 1945年后的美国小说课程节选

Spending 20 minutes walking allows me to be in contact with what is season like, and what is the day-to-day change and the weather.

每天花上二十分钟走路，这让我,感受到了每个季节的不同，也感受到了每天的变化和每日的天气。

普林斯顿公开课 - 人性课程节选

However, he added that during the Martian fall which begins in "50 or 60 days, " the weather change will be dramatic.

CNN: Mars' geology 'more like Earth than the moon'

When currents and weather patterns change in the Pacific, Fijians say they feel it.

NPR: Pacific Island Cultures Brace for Climate Change

Tides rise and fall, weather patterns change, even planets and galaxies move in accordance with heavenly cycles.

FORBES: Ride The Market Cycle With Marvell