eligible

a. 可以选的,有资格的,合格的
n. 有资格者,合格者,适任者

Anyone with an annual income of under 5000 may be eligible to apply.

凡年收入在5000英镑以下者均可申请.

If you are eligible for a free upgrade( first90 day, extended service plan), the download number will be include.

如果你有获得免费升级的资格（首90天，扩展服务计划），下载数字会包含在通知里。