calculated by adding several amounts together and dividing the total by the number of amounts平均的◆Average earnings are around €35 000 per annum.每年平均收入约为 35 000 欧元。◆households with a below-average income低于平均收入的家庭typical or normal典型的；正常的◆Forty hours is a fairly average working week for most people.对大多数人而言，一周工作四十小时是相当正常的。◆We can expect above-average financial returns.我们预期可以取得超过平均水平的财务收益。