The debate is broadening out to include questions about the structure of French education.辩论的范围进一步扩大，将法国教育结构的问题也包括了进来。The company is broadening its product lines to attract more buyers.该公司增加了其产品的种类以吸引更多购买者。They are broadening the bridge to speed up the flow of traffic.他们正在拓宽大桥以提高通行能力。