來自LingQ圖書館的示例
- human activity that is sustainable. That if we keep
- be for the best sustainable idea for an in
- s not long-term sustainable. It's a company
- when things aren't sustainable, they stop. But that
- someone invents a completely sustainable smartphone, we'll need
- hand catching fish is sustainable in these waterways this
- this appears to be sustainable and that's why
- a form that is sustainable and that is an
