In some smaller restaurants with fewer people dining, like the case of a couple of diners, the measure's adoption could be optional.
有一些小餐馆就餐人数比较少，比如一两个人、两三个人，可以有一些随意的情况。In this platform, people each other which many understanding or did not know can at will mutual exchange.
在这个平台上，许多认识或不认识的人们彼此间能够随意的相互交流。After all, when Google designed a phone operating system, Android, it simply handed it out to phone manufacturers to use as they liked.
最终，Google设计出一个手机操作系统Android并简单地将它交给手机制造商们，让其随意使用。Maradona is often seen in the middle of team celebrations, freely giving hugs to congratulate his players.
马拉多纳经常会出现在球队庆祝的中央，随意的拥抱球员并向他们表示祝贺和鼓励。He was so rick that he never has less than ten servants and a million dollars at his disposal.
他太富有了，他身边从来没有少过十个仆人，还有一百万现金随意支控The Korean news services seized upon this news and accused China of stretching the length of the Great Wall like a rubber band.
韩国媒体抓住这个消息不放，指责中国的长城和橡皮筋一样可以随意延长。If one were to know the security features(gaps) of such a huge and really loosely guarded place, getting in and out shouldnt be a problem.
如果有人真正了解了故宫安保特点（或者漏洞），那这么大的地方真的是警卫很松懈，随意进出应该不成问题。Please note that the children, the party is about to start, please set the phone to silent mode, do not walk around . . . . . .
小朋友们请注意了，晚会马上就要开始了，请把手机设置到静音状态，不要随意走动……Don't add users to your mailing list because you think they won't complain; wait for them to ask.
不要因为您自以为用户不会反对，而随意将用户加入您的邮寄列表；要等待他们主动要求。