upper income level

基本解释

Family income, the mothers educational level, upper arm circumference, united family are related to the infants mental and motor development.
家庭经济收入、母亲文化程度、上臂围、联合家庭类型与智力、运动发展相关。
Generally, people whom the Census Bureau defines as poor have almost the same level of consumption of protein, vitamins, and other nutrients as upper-middle-income people.
总的来说，人口普查局定义为贫困的人群在蛋白质、维他命和其他营养物质的消费上几乎与中高收入人群处在同一水平。
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Management and other upper-income employees would have to accept less compensation in order to pay lower-level workers more so their consumption could remain level and sustain firms' profits.
管理层和其他高收入的员工的补贴必须减少，用于增加较低层的工人的工资，这样他们的的消费才能仍然保持平衡从而维持企业的利润。

Since independence in 1976, per capita output in this Indian Ocean archipelago has expanded to roughly seven times the pre-independence, near-subsistence level, moving the island into the upper-middle income group of countries.
FORBES: Seychelles