To back up and state some obvious goals: We need a global perspective, the (moral) recognition that food is a basic right and the (practical) one that sustainability is a high priority.
来回顾并陈述一些明显的目标：我们需要一个全球的前景，从道德上来讲，食物是基本权利，从实际来看，可持续性必须优先考虑。
You don't really need 8 glasses of water (we get some in food and other drinks), but drinking more water doesn't hurt.
你真的不需要8杯水（我们会吃一些东西和喝其他的饮料），但是喝多了也无害。
We need to bring a camera, some money, water, food, juice and some news paper.
我们需要带照相机、一些钱、许多水、许多食物、许多果汁和一些报纸。
We need to store some food for the holiday.
我们必须为假期的来临储存一些食物。
我们所要的是一些食物。
We need train tickets, a camera and some food.
我们需要火车票、相机和一些食物。
We need to buy some food because there isn't any at home.
我们需要买些食物，因为家里没有了。
We need to buy some food because there isn't any at home.
我们需要买些食物，因为家里没有了。
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