Invokes a service as a step in a mediation flow.

作为中介流中的一个步骤调用某个服务。

youdao

If a client already knows which service to use, this step is not required.

如果客户已经知道使用哪一个服务，则不需要这一步骤。

youdao

Step 2: Select service.

步骤 2：选择服务。

youdao

Thats 6 to 8 extra people to help with dinner alone which is a 3 step service.

FORBES: Delta Flight Attendant: We're Here To Save Your A-- Not Kiss It

Hugh Orde said the new text service was another step towards making Northern Ireland a safer place for everyone.

BBC: NEWS | UK | Northern Ireland | Emergency text service for deaf

If Verizon gets overwhelmed, Skype customer service representatives will step in, he added.

FORBES: Skype Conducting "In Depth Training" For Verizon Employees