causeless
adj. 偶然的;无原因的
例句
This does not make the picture causeless.
这并不令图像无因。
It has the power to bring a state of causeless love and limitless joy.
它有这个力量带来无缘由的爱与无限喜悦的状态。
In a paper written a year ago, Mr Hall described such apparently "causeless" recessions as perplexing.
霍尔先生在一年前的文章里这样描述,显然是对这场“无缘无故”的衰退表示困惑。