In general, Iran has tried to improve its complex and time-consuming visa application process and has begun to issue week-long visas for the nationals of 68 countries at airports.
在一般情况下，伊朗已试图提高其复杂和耗费时间的签证申请程序，并已开始问题的为期一周的签证的国民的68个国家在机场。