It was felt that the ageing of society was socially and economically undesirable.

老龄化对于社会和经济的不良影出来了。

These so-called merits are often offset by its undesirable effects.

这些所谓的好处往往被鞭炮产生的不良后果抵消了。

There are guards at the door to keep out the undesirables.

门口有卫兵防止不良分子入内。

I tried to avoid the back room where the undesirable elements were gathered.

我尽力避开后屋, 那里聚集了讨厌的人。

They are the undesirable elements among the employees.

他们是雇员中的不良分子。

It provides a quick and soft finish and has no undesirable adverse effects on plates or molleton fibers.

可很快进行水洗，且最后清洗方便。最适于水辊自动清洗机用。