Gudbrandsson added, " In Justin Bieber's defense, the canyon did not, at the time he visited, have rope fences and designated paths..."

Gudbrandsson补充道，" 贾斯汀·比伯辩称，当时他前往峡谷取景时，还没有绳和指定路径。"

Touching the rock formations and leaving the path is prohibited.

禁止触摸岩石构造及离开指定路径。

The Maspalomas Dunes are a protected nature reserve, and visitors are  encouraged to respect the natural environment and follow designated paths to minimize their  impact on the dunes.

马斯帕洛马斯沙丘是受保护的自保护区，鼓励游客尊重自， 沿指定路径行走， 以尽量减少对沙丘的影响。

The basic semantics of this construction is that the causer argument directly causes the theme argument to move along a path designated by the directional phrase; that is, " X CAUSES Y to MOVE Z." (ibid.)

这种构式的基本语义是：致使者论元（主语）直接导致主事论元（宾语）沿着方向性短语（介宾）指定的路径移动，即“X 致使 Y 移向 Z”（出处同上）。