保持岩石、植物与其他自然物原貌。 - 避免引进非本土的物种。 - 不要打造建物、家具或挖渠。
Leave rocks, plants and other natural objects as you find them. - Avoid introducing or transporting non-native species.
根据布索和他同事的观点，避免这个难题的唯一方式就是引进一个标准，这样才能使得更有意义。
According to Bousso and colleagues, the only way to avoid this conundrum is to introduce a cut-off point, which then helps make sense again.
不过，这引进了更严格的耦合之间的调解人和代理最好应是可以避免的。
However, this introduces a tighter coupling between the Mediator and Proxy that should best be avoided.
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