Right now, you have to go to a third site, enter a promotion code, something else.

现在做网络广告的话，必须进入一个第三方网站，输入优惠码，或是诸如此类的东西。

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youdao

In some cases, particular organizations have their own custom promotion model for code deployment.

在一些情况下，特定的组织有他们自己的代码部署客户实践模型。

youdao

The discounted rates are available for stays through February 28, 2013, and are only offered online using the promotion code CYBER1.

CNN: 5 hot post-Thanksgiving hotel sales

Guests who book a minimum three-night stay for getaways between November 23 and December 30 will receive 50% off during the sale running from Black Friday to Cyber Monday using the promotion code 2U850P (blackout dates December 5-7, 15).

CNN: 5 hot post-Thanksgiving hotel sales

Billed as the first QR-code promotion that Pandora has done, this publicity campaign would engage dog owners through a savvy integration of in-store and online touchpoints.

FORBES: The Digital Yeoman Marketer