点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源，包括PDF教材和音频练习，方便课后复习：
1. 有因果关系的;存在因果联系的If there is a causal relationship between two things, one thing is responsible for causing the other thing.
1. involving or constituting a causecausing
e.g. a causal relationship between scarcity and higher prices
多通过句子记忆单词，而不是单独死记硬背。
