Groupon 's webpage includes a guide to avoiding arguments with merchants , which suggests such tiffs are common .
groupon的网页中包括如何避免与商家扯皮的指南,这就意味着这样的口角事件很常见。
A new alliance has been forged with india , and there has been little friction with brazil , aside from tiffs over trade , without much consequence on the plane of high politics .