There is always variation from year-to-year in nature.

年复一年，大自然总会发生变化。

youdao

The flat ratings come after a series of live events have posted significant year-to-year gains.

今年艾美奖收视率平平，而此前的一系列直播活动同比收视率大增。

youdao

Oh, God. The number of birds is reducing year to year.

噢，上帝啊。鸟类的数量正在逐年减少。

youdao

Mister Hearst sent a reporter to Cuba in eighteen ninety-seven to secretly rescue nineteen-year-old Evangelina Cisneros from a prison in Havana.

VOA: special.2009.08.28

I just basically do year-one to the present, it's was nice warm outside, that was the day he was born.

我到现在做了一年，那天户外很晴朗暖和，那天他出生了。

麻省理工公开课 - 媒体、教育、市场课程节选

And we graduated the same year -- now no one has to say what year that was, even if you know, but we did graduate the same year.

我们同一年毕业的-,当然我不要求你们说出是哪一年，可能有人知道，我们在同一年毕业。

麻省理工公开课 - 化学原理课程节选

It is worth taking a look at the year-to-year change, in this case 11.9 million barrels.

FORBES: Analyzing The Weekly Petroleum Status Report

The biggest year-to-year increase in home game attendance should be found up north, in Toronto, Canada.

FORBES: Toronto Blue Jays Tickets To Be Amongst The Most Expensive In 2013

On a year-to-year comparison, June sales likely will be up about 21 percent from June 2011.

FORBES: June Car Sales Tracking Strong; Third-Highest Volume Since 2008