您要查找的是不是：
- 数字digital (electronics, etc.)
- 签证visa
- 阿拉伯数字digit
- 游民caird
- 罗马数字Roman numerals
- 无业游民hobo
- 办理护照签证手续to get one's passport visaed
- 数字的numerical
- 办理签证ask for visa
- 数字信号digital signal
- 签证费certificate fee
- 数字格式number format
- 签证人attestor
- 数字信号处理digital signal processing
- 落地签证landing visa
- 他与无业游民没有什么两样。He is no better than a bum.
- 工作签证work visa
- 数字电视digital television
- 申请签证apply for a visa; visa application
- 数字通信digital communications
