First you put in the unique code that I sent you and then you change your password.

首先输入我发给您的唯一代码，然后修改您的密码。

And for the first time, voters could use a unique code to verify that their vote was counted.

这是选民第一次可以使用独一无二的代码来验证他们的选票是否生效。

Soa, 46, had recently branded thousands of green vanilla pods at her small plantation with this unique code.

最近，46岁的索瓦在她那片不大的种植园里用这个独特的代码标记了数千个青绿色的香草荚。

And then we add a unique QR code to the packaging of the fish.

然后我们在鱼的包装上添加一个唯一的二维码。

It's really simple — you buy a scratch card, scratch off the back, and a unique code appears, which you text in to validate your payment.

这方法真的很简单 —— 买一张刮卡，刮掉背面的涂层就会出现唯一编码，通过短信发送编码就可以验明你的话费支付。

Luckily for Rizwan, my team and I, working in partnership with the largest pharmaceutical company in Africa, have placed unique codes -- think of them like one-time passwords -- on each pack of the best-selling heart medicine in Egypt.

里兹万很幸运，因为我和我的团队和非洲最大的制药公司联合，在埃及每一包卖得最好的心脏药上面加上了独特的编码，可以把这些编码想象成一次性密码。