对不起，我得离开一会儿。

Excuse me a minute.

youdao

我高兴是因为知道我们要回家了，但也让我有些难过，因为我得离开爷爷奶奶。

I am glad because I know we're going home, but it makes me sad too because I have to leave nanna and poppa.

youdao

我得离开！

'I'll have to leave!

youdao

I think that just it's a story that about his family before he left and sort of how he had a very happy, joyful life with his family.

我认为这个故事记录了,他离开日本前得家庭,以及他和家人的，快乐生活。

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