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Why is the grain issue not a simple matter of addition and subtraction?

The grain issue is not a simple matter of addition and subtraction
2019-02-17 22:21:00

201
How can we further do a good job of addition and subtraction in increasing farmers' incomes?

To increase farmers' incomes, we must further do a good job of addition and subtraction
2019-02-18 01:21:00

201

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1

Why is the grain issue not a simple matter of addition and subtraction?

How can we further do a good job of addition and subtraction in increasing farmers' incomes?