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Experiments on plant hybridization require the most careful attention and great patience.
外交是一门没有永久朋友,只有永久利益的学科。
适应旧程序以适应新机器通常意味着适应新机器以使其表现与旧机器相似。
Do not anticipate and move without market confirmation—being a little late in your trade is your insurance that you are right or wrong.
"There is no justice in love, no proportion in it, and there need not be, because in any specific instance it is only a glimpse or parable of an embracing, incomprehensible reality."