1.as effective as 和...一樣有效

例句：Research has shown this scent may be as effective as sleeping pills.
研究表明：這種香味同安眠藥一樣有效!dUI(OnT3Th8v%#~。

2.sleep disorder 睡眠障礙

例句：Your depressed patient may have a potentially life-threatening sleep disorder.
你的患抑郁癥的病人可能有潛在的威脅生命的睡眠障礙Y^l3J%_[q^hW+#D8E3。

3.a variety of 各種各樣的

例句：Man is host to a variety of pathogenic bacteria, protozoa, and viruses.
人是各種致疾的細菌、原生動物以及病毒的宿主9qPa.*ivS2cz~;U@HFVy。

4.mental illnesses 精神疾病

例句：Only a quarter of children with these mental illnesses receive effective treatment.
患精神疾病的兒童中，僅有四分之一的人得到了有效的治療GQIzz3H+5D2v9cv|v~O。