"It depends" 是一种常用的表达方式，用来表示事情的结果取决于不同的条件或因素。这是一种比较常见的英文习语，来源于拉丁文的 "casu" 或 "casus"，意思是 "情况" 或 "状况"。

例句：

"It depends on the weather. If it's sunny, we'll go to the beach. If it's rainy, we'll stay indoors." (这取决于天气。如果天气晴朗，我们就去海滩。如果下雨，我们就呆在室内。)
"It depends on how much time you have. If you have a lot of free time, you can take on more responsibipties. If you're busy, you might not have as much time to devote to additional tasks." (这取决于你有多少时间。如果你有很多空闲时间，你就可以承担更多的责任。如果你很忙，你可能没有那么多时间来致力于额外的任务。)