当HKBN推出新的通讯服务，亦会透过SMS或者电话通知现有的顾客，了解

当HKBN推出新的通讯服务，亦会透过SMS或者电话通知现有的顾客，了解顾客是否需要这些服务，甚至会咨询顾客的家人或者朋友是否需要，继而发现新的顾客，提升销售量。

結果 (英文) 1:

When HKBN launched new communication services, will inform existing customers by SMS or phone, find out whether customers who need such services, and will consult the customer whether family or friends need, then found new customers and boost sales.

結果 (英文) 2:

When HKBN introduction of new communication services, will also inform existing customers via SMS or phone, to understand customer need these services, customers will consult even family or friends need, then found new customers, increase sales.

結果 (英文) 3:

When HKBN launched a new communication services, will also be through SMS or telephone to inform existing customers, understand customer needs these services, and even customer family or friends do not need to find new customers and increase sales.