ParseTree's raw output is close to Ruby's internal parse tree; Unified Ruby is a cleaned up and simplified version of the normal output of ParseTree.

ParseTree的原始输出类似于Ruby的内部解析树；unifiedruby则是ParseTree默认输出的经过清理的简化版本。

youdao

In the evening he fell down by a tree, and on the seventh morning he could not raise himself up for faintness, and death was close at hand.

到了晚上他跌倒在一棵树旁，第七天早晨人已昏迷，再站不起来，死亡临近了。

youdao

In the evening he fell down by a tree, and on the seventh morning he could not raise himself up for faintness, and death was close at hand.

到了晚上他跌倒在一棵树旁，第七天早晨人已昏迷，再站不起来，死亡临近了。

youdao