问题描述:
这个英语句子我不懂结构
with nanny surveillance companies reporting business having doubled in the past few years.
having 为什么加ing doubled在此是过去分词还是其他的形容词?
特别是reporting business having doubled 这部分我不懂
with nanny surveillance companies reporting business having doubled in the past few years.
having 为什么加ing doubled在此是过去分词还是其他的形容词?
特别是reporting business having doubled 这部分我不懂
问题解答:
我来补答展开全文阅读