90 percent of listeners stayed with the programme when it changed its time slot.

在这个节目改变了播放时间段后，90%的听众依然继续收听。

《柯林斯英汉双解大词典》

I can't say exactly when it changed.

我说不清楚是什么时候气得变化。

youdao

I have to be honest, when you told us we had to write about a furniture company, it didn't sound like the kind of thing that would interest me, but since then, I've changed my mind.

我必须诚实地说，当你告诉我们要写一家家具公司时，它听起来并不是我会感兴趣的那类东西，但从那以后，我改变了主意。

youdao

When it reaches the brain, levodopa is changed into dopamine, the chemical that is lacking in people with the disease.

VOA: special.2009.04.07

Intelsat was once an intergovernmental organization and was obliged to provide service to the group's former members, including Iran, when it changed to a private company a decade ago.

WSJ: Censorship Inc.: In Skies Over Iran, a Battle for Control of Satellite TV

Last year, for instance, IKEA touched off a controversy in Singapore when it changed its meatball recipe to make the product softer, according to Makansutra, an Asian food culture blog.

WSJ: IKEA Meatballs Pulled After Horse-Meat Traces Found

Mr. Carpenter says his district added more officers in 2009 when it changed to 24-hour coverage, and defended the total headcount as necessary to cover a territory that includes 200 miles of state highways and 700 miles of county roads.

WSJ: A Question of Law and Order