By chance or nature's changing course untrimm'd.

偶然摧折或自然地老去。

youdao

One difference is that if we go through the next 91 months without changing course, the climate roulette of runaway warming will not blow over. It will endure.

唯一的不同就是，如果之后的91个月里我们袖手旁观，那失控的气候变暖不会(像瘟疫一样)自动平息，而是一直恶化下去。

youdao

Al is tough-minded. He marshals history to make his argument, and countless examples of civilizations changing course and attitudes midstream roll off his tongue.

戈尔是不随便说话的，他引用历史来支持主张：娓娓道来无数文明的衰落和错误态度的关系。

youdao

And every fair from fair sometimes declines, By chance or nature's changing course untrimmed;

VOA: special.2010.01.06

Much harder,of course, is changing a system that let companies take the risks that led to the current financial crisis.

VOA: special.2009.03.20

He said the Fed's policies were "providing significant benefits" and changing course now could harm growth.

BBC: US Fed's Ben Bernanke hails benefits of stimulus

With so many of our companies changing course along the way, sometimes dramatically, we lose touch.

FORBES: Show & Tell: The Importance of Neverending Diligence

Now TNI is changing course yet again, angling for mainstream acceptance with a new suite of products.

FORBES: Tale of the South Pacific