Therefore, the normal form action is correct for Step 4. However, Order Review does offer a detour to enter a discount code.

因此，通常的表单动作对步骤 4 而言是正确的。 不过，Order Review 的确提供了输入折扣编号的另一个弯路。

youdao

Buy now and get a special 35% discount on the book when using the coupon code IBM5717.

现在利用优惠券代码ibm 5717，来购买此书，可享受35%的特别折扣。

youdao

Purchase: Queries like "discount code" "coupon code" "special offers" etc. are common, particularly for anyone selling directly over the web.

购买和下订单 ： 查询类似“折扣代码（折扣券）“、”折扣券代号“、”大减价“等等的关健词是很常见的，特别是对那些直接通过网站销售产品的公司和个人。

youdao

Any developer or company that completes the application process will receive a discount code that reduces the cost of registration to attend.

WHITEHOUSE: Calling all Innovators: Demo @ the Next Health Datapalooza

All you have to do is download the app and register a credit card, enter VOTEHAILO as a promo code and the discount is applied instantly.

FORBES: More Reasons to Vote: Election Day Freebies and Promos

By scanning a bar code in the store, Amazon would give the customer a 5 percent discount, up to five dollars.

NPR: Big Technology A Threat To Small Businesses?