So experimenters vary their repertoire of questions to make sure that Alex is responding to the content of the question and making intelligent discriminations.

因此实验者们不断变换问题，以确保亚历克斯是在对问题的内容进行回应和做出智能化的区别。

Due to various discriminations in an urban society, peasant migrants have difficulties in both communications and interpersonal relationships with urban residents.

由于城市社会中存在着各种歧视，农民工与城市居民之间人际传播与人际交流都十分困难。

Director of the Labour law committee under the all China Lawyers Association Jiang Junlu said the lack of related laws and regulations was at the root of all discriminations.

全国律师协会劳动法委员会主任姜俊禄说，法律法规的不健全是这些歧视存在的根源。

As the kea was trained in color discriminations tasks, I took immense satisfaction from watching the operant condition in action and enjoyed applying my knowledge in the lab.

在训练鹦鹉辨别色彩的同时，我从观察受控对象中得到的极大的满足，并且我享受着在实验室里应用自己知识的过程。

These are only appearances observed by defiled human eyes and people become attached to appearances. The essential nature of things is free from all discriminations and attachments.

这些只是染污之人的肉眼以及执着于表相的人所观察到的外表现象而已。事实上，任何事物的本质是离一切分别和执着的。