1. "One could say that the epidemic was immaterial to his death, that it was coincidental, " she says. 她说：“人们可以说那场流行病对他的死因并不重要，那只是巧合而已。
2. Unitary elasticity is the coincidental case that is just on the borderline between elastic and inelastic. 关于单弹性是一种巧合。这种巧合是有弹性和缺乏弹性的分界线。
3. In most cases, such treatment would overstate the cost of that job, since it is only coincidental that a particular job happened to be done on overtime. 在大多数情况下，这样的待遇会夸大成本，即工作，因为目前的情况只是偶然某项工作的事要做，加班。
