The effectiveness of the cache is directly proportional to the hit ratio, which is the percentage of requests satisfied by having the item in the cache.
缓存的有效性与命中率成正比关系，命中率是缓存中的项能满足请求的比例。
2
Ideally, you would like this percentage to be a lot higher - the higher the ratio the better.
在理想情况下，您可能希望得到更高的百分比—比率越高越好。
3
Since 2006, China Mobile's dividend payout ratio has risen by just one percentage point, to 43% of earnings.