如果缺少底层数据支撑,宏观判断很容易流于空泛。Rúguǒ quēshǎo dǐcéng shùjù zhīchēng, hóngguān pànduàn hěn róngyì liúyú kōngfàn.If it lacks support from underlying data, macro-level judgement can easily become empty and vague.
这座楼的底层是超市,楼上是饭馆。Zhè zuò lóu de dǐcéng shì chāoshì, lóushàng shì fànguǎn.The ground floor of this building is a supermarket, and upstairs are restaurants.
他从底层做起,一步一步成了部门经理。Tā cóng dǐcéng zuò qǐ, yí bù yí bù chéng le bùmén jīnglǐ.He started at the bottom and step by step became a department manager.