世界粮食安全委员会在罗马会面

短语讲解：

1. In our world, billions of dollars are spent on aid and investment.

spend on把…花在…
例句：He doesn't spend much time on his homework.
他花在作业上的时间不多。

2. Food price volatility is blamed in part on growing demand.

blame on把责任推给…
例句：They blamed the failure on John.
他们把失败的责任推给约翰。

3. There has also been increasing demand for some agricultural products as feed stock for biofuel production, which has expanded significantly as a result of subsidies and mandates

as a result of由于…的结果
例句：He was injured as a result of boiler explosion.
他因锅炉爆炸而受伤。

4. Meanwhile, World Food Program Executive Director Josette Sheeran called for the political will to end hunger.

call for要求
例句：The letter calls for an investigation of the facts.
来信要求对这些事实进行调查。

5. “The time has come to take action and implement policies that will enable all farmers of the world in developing and developed countries alike to face equitable conditions through mechanisms that do not distort markets and consequently be able to earn an income suitable for a dignified life,” he said.

take action采取行动, 行动起来
例句：The police had to take firm action to deal with the riots.
警方不得不采取果断行动来对付骚乱。
suitable for适合…的
例句：He was just not suitable for the job.
他就是不适合干这份工作。

6. The demand for food is only expected to grow, with a world population of nine billion predicted by 2050.

be expected to期望; 预计
例句：House prices are expected to perk up.
预计房价会上涨。