| 1 | I experience a vector quantity. | |
| 2 | In 2011, quantity will finally turn into quality. | |
| 3 | The qualitative change is the inevitable result of the quantitative change. | |
| 4 | Quantitative change is the premise and necessary preparations for qualitative change . | |
| 5 | Moving from quantity to quality is the immediate task before us. |
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