be difficult to set up
Experts say adding the varicella vaccine to the official NHS childhood immunisation programme will dramatically reduce the number of people who catch chickenpox, leading to far fewer serious cases.
，这一点在同城约会中也有详细论述
工具的选择也很重要，但不应该让工具主导流程。
何小鹏有这个行业判断，理由有二。
// console.log(canSeePersonsCount([10,6,8,5,11,9])); // 输出 [3,1,2,1,1,0]（正确）