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我要向你走去,你向我走来已经很久了。虽然我们相会之前谁也不知道对方的存在。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
农业创新不仅仅是新工具,而是改变思维方式。