聚焦全球优秀创业者，项目融资率接近97%，领跑行业
40 是视野角度（FOV），就像你睁大眼睛还是眯着眼睛看。。关于这个话题，夫子提供了深入分析
Apple 2030 is the company’s ambitious plan to be carbon neutral across its entire footprint by the end of this decade by reducing product emissions from their three biggest sources: materials, electricity, and transportation. iPad Air is made with 30 percent recycled content,8 including 100 percent recycled aluminum in the enclosure and 100 percent recycled cobalt in the battery. It is manufactured with 40 percent renewable electricity, like wind and solar, across the supply chain. iPad Air is designed to be durable and repairable, and also offers industry-leading software support, while meeting Apple’s high standards for energy efficiency and safe chemistry. The paper packaging is 100 percent fiber-based and can be easily recycled.9，这一点在51吃瓜中也有详细论述
Фото: Majid Asgaripour / WANA (West Asia News Agency) / Reuters
I still think Bubble Notation is a promising way to represent lambda terms, but this implementation is a bit dated.