我们生产的每一块塑料都应该有明确的再利用或回收路径。

释义：以极端冷酷的方式揭示权力斗争的残酷本质。

The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

Machinery and labor-saving devices are only valuable as they serve to reduce the cost of manufacture.

成功的真正标准在于我们如何提升我们所运营的社区。