We stayed in the outskirts, in a small room of a condo known as an illegal structure of this city.

我们住在市郊，一个属于非法建筑的小屋，四壁透风。

youdao

A bell sound was used to express the time elapse in one of my exhibits in the exhibition "Illegal Structure" held this year.

今年的展览“僭建”，其中一件作品也用钟声来表达了时间的流逝。

youdao

Actually such differences bring a series of problems, such as, differences of data structure, empty value data, illegal data, and repeated records, etc. when we need to use the primary data in audit.

这种不一致造成审计中需要的原始数据存在很多问题，比如数据结构的不一致、空值数据、非法数值以及存在重复记录等等。

youdao

The worst way to reform immigration would be to retain the existing legal structure, merely manipulating different categories and attempting to strengthen border enforcement sufficiently to prevent new illegal immigration.

FORBES: The GOP And Immigration: Good Economics, But What About The Politics?