It's a good thing that you called.

四級(jí)詞匯講解:

It's a good thing that為感謝別人的口語表達(dá)，意為“你……(做某事)，真好”。感謝或者夸獎(jiǎng)別人行為的句式還有：

※ That's very mice of you to…你真是太好了。

※ It's big of you to…你……真大方。