— _____
— It's an apartment building.
A:What's your home?
B:Where's your house?
C:What kind of house do you live in?
D:Where's the home?
近年来国内钢材屡屡卖出“白菜价”,而我国每年还要用“白金价”大量进口高端钢材。究其根源,实质是“白菜货”难以满足我国制造业向专业化、精品化、差异化转型升级的需求。据此,我国钢铁企业应( )
①转变经营战略,积极开拓国际市场 ②注重科技创新,着力提升产品质量
③关注市场变化,不断优化产品结构 ④实施规模经营,努力降低生产成本