如题所述
I have a good knowledge of.....
I have a good understanding of.....
I have a good understanding of.....
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第1个回答 2015-02-08
I have a good knowledge of ...追答
I know ....a lot
第2个回答 2015-02-08
I have a deep understanding on ...
第3个回答 2015-02-08
I have a profound understand of···