OG11 53

OG11 53

One variety of partially biodegradable plastic beverage container is manufactured from small bits of plastic bound together by a degradable bonding agent such as cornstarch. Since only the bonding agent degrades, leaving the small bits of plastic, no less plastic refuse per container is produced when such containers are discarded thatn when conparable nonbiodegrable containers are discarded.

红色部分中文意思如何解？？？多谢NN指教阿~~~

BTW:哪里有og11到og10的对照表？我现在只能找到og10到og11&review的对照表，这样找起题目来很不方便，因为现在做的是og11的题目~~~

多谢拉~~

我也想问这个问题？请问你解决没有呢？还有你说的那个对照表可不可以传个让我下载下呢？