Is the property or any part thereof used for commercialactivity?
这一房产或其中任何部分有用于商业活动吗？
《牛津词典》
2
Baltimore in its heyday was a major centre of industrial and commercialactivity.
巴尔的摩在其鼎盛时期曾是工商业活动的主要中心。
《柯林斯英汉双解大词典》
3
Not only does the GDP mask this erosion, it can actually portray it as an economic gain: an oil spill off a coastal region "adds" to the GDP because it generates commercialactivity.
GDP 不仅掩盖了这种侵蚀现象，它实际上还可以将其描述为一种经济收益：沿海地区的石油泄漏“提升” GDP，因为它产生了商业活动。