中国大学MOOC: 7. Plastic packaging with additives can break down into microscopic particles through normal environmental processes.
举一反三
- 中国大学MOOC: Communication is the creation of shared understanding through symbolic processes.
- 中国大学MOOC: 3. Plastic packaging is made to be used only once. It is being replaced by more environment-friendly packaging.
- 中国大学MOOC: 6. The reason why most plastic packaging materials don’t get recycled is that many people don’t realize their side-effects.
- 中国大学MOOC: They would break their legs if they go down the Black Run.
- 中国大学MOOC: Innovation can be mastered through training.