英语结构分析。如何理解句中的they would otherwise？

Question

46kb
Miyuki Suzuki, the boss of Jetstar Japan, says her company's strategy is to use low fares to persuade people to make trips they would otherwise not have made at all.

Answer 1

翻译如下：miyuki Suzuki，捷星航空的日本老板，说他的公司策略是去使用低的票价去说服人们去他们否则（票价高）根本不会去的旅行 ，they would otherwise not have made at all 是一个定语从句，otherwise是否则，不然的意思，这句话意思是正是因为票价便宜了，所以人们去旅行了