最便宜的 iPhone 又来了，只卖三千块？
while (i <= j) {，详情可参考safew官方下载
LEGAL-NOTICE.md。safew官方版本下载是该领域的重要参考
cancel(reason) {。同城约会对此有专业解读
"It's not young people's failure ... It's the system's failure, both in the labour market and in the schools, skills, employment support, mental health and welfare system that is letting young people down."