白键代表快乐，黑键代表悲伤。
The white keys represent happiness, while the black keys represent sadness.
一代表悲伤，二代表表快乐。
白色琴键代表幸福，黑色琴键代表悲伤。
The white keys represent happiness and the black shows sadness.
眉毛倾斜代表悲伤。
生活就像一架钢琴，白键代表幸福，黑键表示悲伤。
Life is like a piano. The white keys represent happiness and the black shows sadness.
生活就像一架钢琴，白键代表幸福，黑键表示悲伤。
Life is like a piano. The white keys represent happiness and the black shows sadness.
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