Really the only reasons to use Internet Explorer are for developers to test what their sites look like on an older browser or if a company has business-critical apps that only work with the Internet Explorer browser.
确实，使用 Internet Explorer 的唯一原因多半是开发者需要在较旧的浏览器上测试其网站是否工作正常，或公司尚有仅兼容于 Internet Explorer 浏览器的关键业务应用程序。