既不回头，何必不忘，既然无缘，何须实验，今日种种，私水无痕。
Not only does not turn, why don't forget, since no, why, in all, today the private water radiant.
youdao
明天像洗过的衣服一样，水过无痕吗。
Tomorrow, as washed clothes, the water had scratch it.
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