例句與造句

1. This may be one of the reasons for the pervasive belief that object allocation is expensive - earlier jvm implementations did not use copying collectors , and developers are still implicitly assuming allocation cost is similar to other languages , like c , when in fact it may be significantly cheaper in the java runtime
   以前的jvm實(shí)現(xiàn)沒有使用復(fù)制收集器這可能是對(duì)象分配是昂貴的這一想法是如此普遍的原因之一，開發(fā)人員仍然下意識(shí)地假設(shè)分配成本與其他語言（如c ）類似，而事實(shí)上在java運(yùn)行時(shí)中可能要廉價(jià)得多。
2. It's difficult to find allocation costs in a sentence. 用allocation costs造句挺難的