1. The entrepreneur started from scratch and struggled hard to generate profit for his new business.2. Steve, a business entrepreneur, started with nothing except a good pair of legs, and founded Apple.
 start from scratch start with nothing白話翻出就好
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effect, which leads to melting of glaiers, which leads to rising sea levels.