Assembly screen is the imitation of the original screen, both inside and outside the screen are not original, poor quality.

组装屏幕就是仿原装屏，内外屏均不是原装，质量差。

youdao

"Shanzhai '" products are low-cost products which unfairly challenge the original companies. They are also often of poor quality.

山寨产品成本低，质量也差，对原产品公司形成了不公平竞争。

youdao

To start with, pirated products often cost much less than the original ones, so they enjoy unbeatable advantage in price in spite of their relatively poor quality.

首先，盗版产品比原版的成本要小很多，因此，尽管它的质量很差，但是却拥有极大的价格优势。

youdao

The original may simply have been of poor quality.

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