例句與造句

1. Which can then be assigned to a pattern variable and inserted in the transformed expression
   ，然后可以將語法對(duì)象分配給一個(gè)模式變量，并插入轉(zhuǎn)換后的表達(dá)式。
2. It's difficult to find pattern variable in a sentence. 用pattern variable造句挺難的