American culture high and low is about self-expression and personal authenticity .
美国文化到处都是关于自我表现和个人真实性的表述。
The researchers studied 262 college undergraduates dividing them into high and low multitasking groups and comparing such things as memory ability to switch from one task to another and being able to focus on a task .
Months of high and low sales average out over the year .
销售额高低不同的月份按全年统算达到一般水平。
Opinion polls suggest the british public feels frustrated : a large majority would support government action to narrow the gap between high and low earners but they have no faith in government or business to tackle excessive pay .