When waiting for an animal, you have to concentrate on what you're doing and empty your mind of everything else, lest you forget where you are and miss your shot when the animal appears.
等候動物時，還必須全神貫注、腦袋空空，不能想事情，以免一時出神，忘其所以，動物出現，漏失鏡頭，功虧一簣。