身边的经济学·社会常识英语30篇（7）

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为何回收并不总是环保

Sending plastic bottles overseas for recycling sounds helpful—until you learn most end up buried or burned.
Sorting centers reject items with food residue or mixed materials, so half of what we toss gets landfilled anyway.
Making new aluminum cans uses far less energy than producing them from raw ore—recycling metal truly pays off.
But recycling paper uses nearly as much water and energy as making it fresh, especially if ink removal is complex.
Some cities stopped accepting certain plastics after global markets collapsed, leaving towns to rethink waste plans.
The greenest choice isn’t always recycling—it’s refusing unnecessary packaging or reusing containers longer.
Economists call this ‘life-cycle cost’: counting energy, transport, and labor from factory to landfill.
Understanding trade-offs helps us support policies that reduce waste—not just shift it somewhere else.

听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。

The greenest choice isn’t always recycling—it’s refusing unnecessary packaging or reusing containers longer. 最环保的选择未必是回收——而是拒绝不必要的包装，或延长容器的重复使用时间。
Economists call this ‘life-cycle cost’: counting energy, transport, and labor from factory to landfill. 经济学家称之为‘全生命周期成本’：即从工厂到填埋场所消耗的能源、运输和人力。
Understanding trade-offs helps us support policies that reduce waste—not just shift it somewhere else. 认清取舍，才能支持真正减废的政策，而非 merely 将垃圾转移到别处。

这篇中文题目最接近哪一句？为何回收并不总是环保一次学校运动会的通知一份超市购物清单

课文第一句的意思更接近？将塑料瓶运往海外回收听起来有益——直到你得知大多数最终被掩埋或焚烧。今天学校放假了。请把窗户打开。

这一课主要在讲什么？（看英文标题） Why Recycling Isn’t Always Green How to cook noodles A maths worksheet

The greenest choice isn’t always recycling—it’s refusing unnecessary packaging or reusing containers longer.

The greenest choice isn’t always recycling—it’s refusing unnecessary packaging or reusing containers longer.

第一版：录下来、回听、再听标准音。系统打分以后再加。

用今天的表达，自己说一句。

例子：The greenest choice isn’t always recycling—it’s refusing unnecessary packaging or reusing containers longer.