Beter to get stuck in mud now than to get stuck in snow later,还省略了is?

问题描述:

Beter to get stuck in mud now than to get stuck in snow later,还省略了is?

省略了 It‘s

(It形式主语 is系) better表 to get stuck in mud now 真正主语
than to get stuck in snow later比较状语.本句中省略了It is.