慢速英语:The Limits to Organic Farming in Feeding the World

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短语讲解：

1. So they combined the results of sixty-six earlier studies.

the result of ...的结果
例句：The result of doing so would only cause misery. 
这样做的结果只能导致灾难。 

2.  They found that some organic farms can yield almost as much asconventional farms.

as much as possible 尽可能
例句：I try to ward off fatigue by resting as much as possible. 
为了防止疲劳，我尽可能多休息。 

3. So did the yields of legumes such as soybeans.

such as 例如
例句：Context scenarios address questions such as the following: 
情境场景剧本解决了以下的问题。

4. However, organic vegetables and cereal crops like maize andwheat had a lot lower yields compared to conventionally growncrops.

a lot 许多
例句：And I've been thinking about it a lot lately. 
最近我一直就此事想了很多。 

5. Also, organic farmers can improve their yields by making suretheir crops get enough fertilizer.

make sure 查明;设法确保
例句：You must make sure of the time and place.
你必须把时间和地点弄清楚。

6. The United Nations predicts that world demand for food willgrow seventy percent by the middle of the century.

demand for 对……的需求
例句：Excess demand for credit is common. 
贷款的超额需求是普遍存在的。