Even if you aren't trip chaining it's no fun being stuck in a traffic jam – that's a large number of vehicles close together moving slowly – or being packed into a crowded train like sardines.

即使你没有执行“出行链”，遇到交通堵塞也会很难熬。交通堵塞即很多车辆距离很近，像罐头中的沙丁鱼一样。