Ants keep predatory insects away from where their aphids feed; Gmail keeps the spammers out of our inboxes.
蚂蚁将捕食性昆虫赶出它们的蚜虫觅食区域；Gmail将垃圾邮件发送者阻挡在我们的收件箱之外。
Recently, another expression of this predatory behavior has emerged: so-called support service consultancies that provide language and other editorial support to individual authors and to journals sometimes advise contributors to add a number of citations to their articles.
最近，这种掠夺性行为的另一种表现形式出现了：所谓的支持服务咨询公司，它们为个人作者和期刊提供语言及其他编辑支持，有时会建议投稿者在他们的文章中增加若干引用。
The birth of predatory journals wasn't far behind.
掠夺性期刊的出现也紧随其后。
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。