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有一曲充满疑惑的歌:1+1就等于2吗?你加我就等于快乐吗?爷爷加奶奶就等于一辈子吗?天空加海洋就等于湛蓝吗?
There is a song full of doubts: 1 + 1 is equal to 2? You add me is equal to happy? Grandpa plus grandmother is equivalent to a lifetime? The sky plus the ocean is equal to blue it?