只有一小部份的塑料袋是可被彻底降解的。

Only a small portion of plastic bags could be thoroughly degraded.

youdao

令人吃惊的是，据说这相当于过去20年来的全部批准额，虽实际利用的只是一小部份。

Astonishingly, this is said to equal total FDI pledged in the previous 20 years, though only a small amount was actually spent.

youdao