mental barriers的用法和樣例：
例句
- Studies in the occurrence and contributing factors reveal that mental disorder is universal.
對心理障礙發生以及致病因素的研究表明心理障礙是相當普遍的。 - And along with change of investigating time, the mental obstacle occurrence rate of the medical college students had a digressive trend.
而且隨著調查時間的推移，該醫學院大學生的心理障礙發生率有一個下降趨勢。
