The service works as a software application that is accessed via the internet.

该业务是一个可以通过因特网访问的软件应用程序。

《柯林斯英汉双解大词典》

Applications or software is delivered as a service to the customer who can access the program from any online device.

把应用或者软件作为服务传送给顾客，顾客可以通过任何网络设备使用这个程序。

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A service is a software resource (discoverable) with an externalized service description.

服务是一种有具体服务描述的软件资源(可发现)。

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The software is an online service called ShipStation, that sucks in all our orders from Shopify, Amazon, and Etsy, and then prints the address and the postage directly on the label.

FORBES: Shipping Products From Your New Online Store

First, software as a service is much harder to customise for the special needs of big firms.

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Selling software is evolving into a service industry, as applications move to the web, where they can be rented or bought by subscription.

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