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It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
The truth is never just one thing; it is always several things at once.
Innovation in agriculture isn't just about technology; it's about understanding the soil, the climate, and the people who depend on it.
过去是一个如影随形的阴影,无论我们跑得多快。
试管婴儿的研究是出于帮助不孕夫妇的愿望。