Its use is primarily in dairy cattle and peri-urban areas where complementary services including milk marketing are available.

它主要用于奶牛和城市周边地区，这些地区提供包括牛奶营销在内的配套服务。

youdao

Supposed competitors, such as PayPal's online payment system, in fact offer complementary services rather than threatening to steal business from Visa.

曾被认为是竞争对手的贝宝(paypal)的在线支付系统，事实上提供了一种补充性的服务，而不是从visa手中抢走业务。

youdao

The company is in the business of managing regulated waste and providing an array of related and complementary services.

FORBES: Top Insider Sells of the Week: V, FIS, SRCL, GOOG

Sainsbury's said developing complementary services to its existing supermarket business was a core part of its long-term strategy for growth.

BBC: Sainsbury's takes full control of its bank

Supposed competitors, such as PayPal's online payment system, in fact offer complementary services rather than threatening to steal business from Visa.

ECONOMIST: Visa plans a $19 billion IPO