That brings me to another variable we need to consider—the acoustic characteristics of the building materials as well as the wall and floor coverings.
这就引出了另一个我们需要考虑的变量——建筑材料、墙壁及地板覆盖物的声学性质。
2
He might as well have talked to a wall.
他就像是对着一堵墙说话。
3
That brings me to another variable we need to consider, the acoustic characteristics of the building materials as well as the wall and floor coverings.