There is one difference to note here: because an image button is a click-able form element, you should always provide alternate text for it.

这里有一个要注意的不同点：因为图像按钮是可单击的表单元素，所以您应该总是为它提供替代文本。

youdao

How do I create an image button?

我怎样创建一个图像按钮？

youdao

Click the play button in the image above to watch Ben Kweller perform in NPR's Performance Studio 4A. Click the link at the top of the page to hear the full interview with Kweller, starting around 7 p.m.

NPR: In Studio: Ben Kweller's Country Makeover

When I found an image I liked, I hit a Share button to send it to Facebook, Twitter, Tumblr or to friends' email addresses.

WSJ: A Hangout for All Your Social-Network Photos

The D5200 delivers amazing performance with lightning fast start-up time and nearly imperceptible shutter lag, the time when the shutter button is pressed to when the beautiful image is captured.

ENGADGET: Nikon D5200 to reach US photographers in late January for $900