In fact, they don't seem to be required at all.
事实上，他们似乎根本就不是必需的。
Besides generating income, the presence of other marketers makes the site seem objective, gives companies opportunities to learn valuable information about the appeal of other companies' marketing, and may help expand user traffic for all companies concerned.
除了产生收入外，其他营销人员的存在还使网站显得更加客观，为企业提供了了解其他公司营销吸引力的宝贵机会，还可能帮助所有相关公司扩大用户流量。
It doesn't seem quite fair, then, to compare the regrets of parents to the regrets of the childless.
因此，将有孩子的父母的遗憾与没有孩子的人的遗憾相比较似乎并不公平。
But the discussions now seem out of date.
但现在这些讨论似乎已经过时了。
Girls’ attraction to pink may seem unavoidable, somehow encoded in their DNA, but according to Jo Paoletti, an associate professor of American Studies, it is not.
女孩对粉红色的迷恋似乎难以避免，仿佛被编码在她们的DNA中，但根据美国研究教授乔·帕奥莱蒂的说法，事实并非如此。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。