Social software suites and other microblogging services are likewise starting their downward trend.

其它社交网站和微博客同样也面临下滑趋势。

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But the new version could be more of a competitive challenge to security companies selling software suites, which have long competed with free basic products by offering more features.

新版SecurityEssentials对制作类似安全软件套装的公司是个挑战，后者以往都是通过提供比免费软件更多的功能来与之竞争。

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But the new version could be more of a competitive challenge to security companies selling software suites, which have long competed with free basic products by offering more features.

新版SecurityEssentials对制作类似安全软件套装的公司是个挑战，后者以往都是通过提供比免费软件更多的功能来与之竞争。

youdao