percentage of land-covered forests

例句：

1. 1.The company's profit percentage has increased significantly since the last quarter.
   该公司的利润百分比在上一季度显著增加。
2. 2. The new product's market share is expected to increase by 5% in the next year.
   预计新产品的市场份额在明年将增加5%。
3. 3.The cost of living in this city is higher than the national average, which accounts for about 70% of the total expenses.
   这座城市的生活成本高于全国平均水平，约占总支出的70%。