LOL has evolved into something much subtler and sophisticated and is used even when nothing is remotely amusing.(LOL已经发展成为一种更加微妙复杂的东西，即使在没有什么好笑的时候也可以使用。)
As computer systems become even more sophisticated, so too do the methods of those who exploit the technology.(正如计算机系统变得越来越复杂，开发计算机技术的人所采用的方法也日趋复杂。)
Some sign languages are very sophisticated means of communication.(一些手势语是非常复杂的交流方式。)
Mies's sophisticated presentation masked the fact that the spaces he designed were small and efficient, rather than big and often empty.(米斯精密的展示掩盖了一个事实：他设计的空间小并实用，而不是庞大且空洞的。)
As they began to settle, grow plants and herd animals, the need for a sophisticated number system became paramount.(当他们开始定居、种植作物和饲养动物时，他们对复杂数字系统的需求变大。)
These animals don't have a sophisticated brain to recognize the slight differences between human facial features.(这些动物没有复杂的大脑来识别人类面部特征之间的细微差别。)
They use electronics, quite sophisticated.(他们使用电子设备，非常复杂。)
This process ought to be highly sophisticated.(这个过程应该是非常复杂的。)
Play appears to be a developmental characteristic of animals with fairly sophisticated nervous systems, mainly birds and mammals.(玩耍似乎是具有相当复杂的神经系统的动物（主要是鸟类和哺乳动物）的一种发育特征。)
There are more sophisticated approaches, some of them are mechanical.(还有更复杂的方法，其中一些是机械的。)
