lay something out   
phrasal verb with lay verb uk/leɪ/ us/leɪ/ laid
  (ARRANGE)      
 C1 排列,摆放,铺开
to arrange something on a flat surface
  Most of Manhattan is laid out in/on a grid pattern. 在曼哈顿的大部分地区呈网格状排列。 
 We laid the pieces of the dress pattern out on the floor. 我们把衣服样品一件一件都摊开在地板上。 
   (SPEND MONEY)      
 C2 informal(大把)花(钱) 
to spend money, especially a large amount
  It's not every day you lay out $500 on a dress. 花500美元买条长裙可不是常有的事。 
 See also: outlay noun
   (EXPLAIN)      
C1 (通常用书写的方式)向…清楚地解释
to explain something clearly, usually in writing
  The code of practice lays out very clearly what the duties of the registrar are. 行为规范清楚写明了注册员的责任。