A-A+
Many manufacturers were accused of concentrati
问题详情
Many manufacturers were accused of concentrating too heavily on cost reduction, often at the ______of the quality of their products.
A．expense
B．expansion
C．exposure
D．expectation
参考答案
正确答案：A
解析：at the expense of sth．以……为代价。at the expense of the quality of products以产品质量为代价。故选A项。
