Final answer:
The main difference between the two versions is that the metaphor creates a stronger comparison compared to the simile. Translation plays a role in the variation between the two versions.
Step-by-step explanation:
The main difference between the two versions is that the metaphor creates a stronger comparison compared to the simile. In the first example, both the metaphor and simile imply that the Great Dane consumes a large amount, but the metaphor intensifies the comparison. In the last example, the metaphor of 'she is a cheetah' carries denotations of speed, grace, agility, litheness, etc., which are associated with a cheetah. On the other hand, the simile only indicates that the runner is fast. Translation plays a role in the variation between the two versions because the translator has to choose the most appropriate words and phrases to convey the intended meaning while maintaining the stylistic devices used in the original work.