Examples
zhǐ yǒu只有dé le得了qiān zhèng签证cái才kě yǐ可以lái来zhōng guó中国。
只有得了签证才可以来中国。
You can only come to China if you’ve got a visa.
你想去美国读书的话，一定要先申请一张学生签证。
If you want to study in the United States, you need to get a student visa.
你要交几张照片，填好几张表格，办好签证。
You need to hand in a few photos, fill in a form, and get a visa.