请问各位大侠，business support是啥意思啊？

商业购买=采购

Several show business personalities came to the rally and showed the flag, lending their support to the cause.
好几位影剧界人士参加了集会露面亮相，以示对这一事业的支持。
They should also determine if the extranet can be integrated into existing business processes or if it requires that business processes be modified to support a new business model.
他们也应确定外特网是否能与现有的生意过程合为一体，或者它是否需要修改生意过程，以支持新的生意模型。
The Business Start-up Centre established under the Industry Department's Services Support Fund provided training, business advisory service and office facilities for hundreds of entrepreneurs wishing to start business in Hong Kong.
工业署服务业支援资助计划属下的创业发展中心，为数以百计有志创业的人士提供培训、顾问咨询服务及办公设施。
Forced to compensate for the heavy interference in this band, wireless LANs can support only 1Mto 2M bit/sec throughput.These data speeds can limit the types of business applications wireless LANs can support.
迫于弥补此频段上的严重干扰，无线局域网仅支持1兆至2兆位/秒的吞吐量，这种数据传输速度限制了无线局域网所能支持的商业应用领域。
A com