If it is better to keep a low profile, and not be seen (if you are near a big city), how long should you have to remain out of sight?

倘若保持低调不被发现(如果在一个大城市附近)更好，那么不被人发现必须持续多长时间？

youdao

If it is better to keep a low profile, and not be seen (if you are near a big city), how long should you have to remain out of sight?

倘若保持低调不被发现(如果在一个大城市附近)更好，那么不被人发现必须持续多长时间？

youdao