我们是否需要更多的食物，这要视到场人数而定。
Whether we need more food depends on how many people turn up.
百胜餐饮集团的首席财务官里克·卡鲁奇表示，“我们的想法是，通过在菜单上增加更多种类的食物，我们向消费者销售的产品可以满足他们全天的需要。”
"The idea is that by having a greater range of things on the menu, we can sell to consumers products they want all day," says Rick Carucci, the chief financial officer of Yum! Brands.
首先，因为食物运输的距离太长，我们需要更多的飞机、卡车和船只来运送食物。
First of all, because food travels such long distances, we need more planes, trucks and ships to move the food.
我们需要更多的食物来养活世界上不断增长的人口。
当然，这只是一方面，肉类和牛奶制造了人体每天所需热量的15%，如果素食，我们需要吃更多的食物补充这部分能量。
That's only part of the story, of course: meat and milk make up about 15 per cent of calories eaten by humans, so we would need to eat more grain to compensate for their loss.
我们可能需要更多的食物，这取决于有多少人到来。
We might need more food, depending on how many people turn up.
我们需要更多的食物来养活人类、同时却又要占用更少的土地和耗费更少的水资源。
We need to grow more food to feed the human population, and it needs to be done on less land and with less water.
在当今世界，人口在增长，城市在扩张，气候在变化，人们需要更多的食物，因此我们迫切需要健康的土壤，以确保其能够提供基本服务。
In a modern world where the population is growing, cities are expanding, the climate is changing and more food is needed, we urgently need healthy soils to ensure the essential services they provide.
为了阻止自由基对人体细胞的危害，我们需要吃更多的抗氧化剂含量高的食物。
To prevent free radicals from doing damage to the cells in our bodies, we need to consume more foods that have high levels of antioxidants.
我们需要更多的食物。
我们的人口在增长，因此我们需要更多的食物。
We have a growing population and therefore we need more food.
我们的人口在增长，因此我们需要更多的食物。
We have a growing population and therefore we need more food.
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