复数： calculations

Dr balch has done a back-of-the-envelope calculation .

鲍尔奇博士做了一个粗略的计算。

He leads as much from instinct as from calculation .

他领导国家既存心算计也遵从本能。

A similar calculation applies to fridges or to home improvements .

类似的盘算也适用于冰箱或房屋装修。

She trusts her powers of calculation .

她信任她深思熟虑的能力。

Faced with such pressure , companies make a calculation .

面对这样的压力，企业会算一笔账。