回复：make sense of what?

来源: 于 2011-05-09 14:31:13 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

For example: does it really save money over all? Is the battery technology mature so that the battery will maintain good performance for 10 years? The biggest question of all: is it really green?