In mathematics, this is a property known as aperiodicity and the notion of an aperiodic tile set using only two tiles was such a sensation, it was given the name Penrose tiling.

在数学中，该属性称为“非周期性”，仅由两种瓷砖组成的非周期性瓷砖组合轰动一时，以至于为“彭罗斯铺砌”。

Clearly there's an underlying structure and unity to things that seem to be complex and aperiodic.

显然有一个潜在的结和统一性，藏在看似复杂、非周期性的事物之下。

But not only is life complicated, life is also aperiodic in the sense that every event, every happening, every decision will make the future unfold differently, often in ways that are impossible to predict.

但人生不仅仅是复杂的，它还是非周期性的，每一个事件、每一个决定都会改变未来的走向，而通常我们都无法预测。

I mean, most of the growth in employment has been in sort of what you would call like acyclical industries like private education and healthcare.

我的意思是，就业增长主要集中在那些你可能会称之为非周期性行业，比如私立教育和医疗保健。

Los Angeles switched even-numbered election years for its mayoral election, The city's last off-cycle election in 2015, the voter turnout there was about 24%.

洛杉矶将市长选举改在偶数年举行。该市2015年举行的上一次非周期性选举中，投票率约为24%。

And so he did come up with something really insightful, which was to predict the structure of DNA as an aperiodic crystal.

因此， 他的确提出了一个极具洞察力的观点，即预测DNA的结为一种非周期性晶体。