Explanation: Ratio: often; frequently. Successive years of poor harvests in agriculture. With the "no registration year over year." Source: "Han Yan to help pass": "the number of age than non-registered, the people to be sold in order to access food and clothing sub-MG superfluous." Examples: Renyin to Zhu Lu ~, non-farm rents this year, silk silver. ★ "Ji Yuan Shi Shizu seven"