看起来没人记着这些啦，但是IE4实际上是跨平台浏览器，你可以在Mac系统，Solaris系统, 以及 HP-UX系统中安装运行，到IE5发布的时候，它的市场占有率已达60%。

Seems like nobody remembers this anymore, but IE4 was actually cross-platform—you could install it on Mac OS, Solaris, and HP-UX—and by the time IE5 was released, IE4 had reached a 60% market share.

youdao

理解可用的运行时平台和Web浏览器。

Understand the available run-time platforms and Web browsers.

youdao

到目前为止，手机平台上浏览器实现和不同的需求很少，所以请考虑XUI。

The mobile space has less browser implementations (so far) and differentneeds. Thus XUI.

youdao