These statistics are important from an ecological point of view.
就生态学而言，这些统计数字很重要。
According to official statistics the disease killed over 500 people.
根据官方的统计数字，500多人死于这种疾病。
The statistics offer further support for our theory.
这些统计数字为我们的.理论提供了进一步的依据。
Although not essential, some prior knowledge of statistics is desirable.
统计学的知识虽非必要，但最好是学过一点。
It is unwise to put too much store by these statistics.
过分重视这些统计数字是不明智的。