The base-10 system we use today is a direct result of the fact we count on our 10 fingers (the Simpsons, presumably, are working in base eight).

我们今天使用的10进制是直接基于这一事实：我们惯用10根手指数数(这样的话辛普森大概是以八进制数数了)。

youdao

Many number systems are based on 12 because it's divisible by the most Numbers, and because you can count to 12 on one hand by using your thumb to count three knuckles on each of the other fingers.

许多数字体系都是基于12的，因为12可以被多数数字约分，还因为你可以一只手仅靠大拇指，数每个指头的指节，就能数到12。

youdao

While hundreds of foreigners visit the Forbidden City each week, you can count the number of them in qufu on the fingers of one hand.

每星期都有成百上千的人去参观故宫，可是来曲阜的游人却屈指可数。

youdao

I could count them on two fingers." There has been more support for a government-run health insurance program in the House of Representatives, which has a larger Democratic majority.

VOA: standard.2009.10.26

"You can now count the people left on your fingers, " he said.

CNN: U.N.: Number of Syrian refugees escalating at rapid rate