The word 'peculiar' is used to mean both specific and unusual, e.g. "kangaroos are peculiar to Australia," and "it's very peculiar to see a kangaroo outside Australia."[13] Unforeseen situations are inevitable, and new technologies and cultures make application of existing laws difficult. (e.g. does the use of a new cloning technique create an embryo within the meaning of statute enacted when embryos could only be created by fertilisation?)[14] Uncertainties may be added to the statute in the course of enactment, such as the need for compromise or catering to special interest groups.