Today's Sentence
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Yeah, it took hundreds of people over centuries to come to this design. And it's that long history of collaboration that, to me, makes it a very perfect object.
Original Video：
Why the pencil is perfect | Small Thing Big Idea, a TED series
Key Vocabulary
3. collaboration
collaboration
[kəˌlæbəˈreɪʃən ] (n.)
collaborate
[kəˈlæbəˌreɪt ] (v.)
cooperate
[koʊˈɑpəˌreɪt] (v.)
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