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Memory is not just personal, it's collective. We remember through others and others remember through us.
农时:指春耕、夏耘、秋收三个时令。与其等灾荒来了再想办法补救,不如早防备灾荒,而防备灾荒最好就是抓住农时。
The beauty of science lies in its ability to explain the natural world through observation and experimentation.