原文：Harnessing that energy for peaceful purposes has been a lot m

Translation Revision
A.Correct or improve the translation of the following English sentences. 
Example: 原文：Adelaide enjoys a Mediterranean climate. 
译文：阿德莱德享有地中海型气候。 
改译：阿德莱德属地中海型气候。  
原文：Harnessing that energy for peaceful purposes has been a lot moredifficult though there are good reasons to keep trying.译文：为和平目的而控制这种能量向来就困难得多，虽然有很好的理由继续尝试。 改译：
【正确答案】：

把这种能量用于和平用途向来就困难得多，但继续尝试的理由还是很充分的。

【题目解析】：考点：结构“harnessing...for peaceful purposes”：使...变困难和“there are good reasons to do sth.”：做某事的理由很充分。