没有受害的

Earlier this year researchers in New Zealand began investigating a psyllid infection in glasshouses growing tomatoes and peppers plants closely related to potatoes .

今年初，新西兰研究者开始调查温室番茄，温室胡椒(和马铃薯同科的两种植物)的木虱受害情况，发现了一个没有记录，可感染多种植物的致病细菌暂定种。

Last year Joe Munyaneza, an entomologist at the Yakima Agricultural Research Laboratory in Washington state, found that tubers from plants exposed to these insects showed typical zebra-chip symptoms, while those from unexposed plants had none.

去年，华盛顿州雅基马农业研究实验室的昆虫学家乔·蒙耶尼沙发现，受木虱为害的马铃薯植株，块茎会出现典型的"斑马片"症状，而未受害植株，块茎没有这种症状。

Blacks suffer most, as schools remain ill-equipped and children are ill-taught

黑人受害最深，他们的学校缺少教学设备，孩子没有得到足够的教育

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。