代码重构：它没有直接甩代码，而是先思考了“设计模式”的选择（工厂模式 vs 策略模式），最终选择了适合扩展的策略模式。
"Your body feels great, it feels like a holiday," he told the BBC.，推荐阅读同城约会获取更多信息
Some merchants run their affiliate programs internally, while others choose to contract out management to a network or an external agency.，推荐阅读Line官方版本下载获取更多信息
for (int i = 0; i < n; i++) {