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3.Wait until you have researched the initial cost, and the long term expense and time needed before jumping into a hobby. Make sure you can afford it, and have the time to spare. As you begin, start small. For instance, you can do a lot of astronomy with the naked eye. If you have learned and continued with that, the next step should be purchasing a good set of binoculars. Invest in the fancy telescope only when you are sure you are committed.
在發展這個興趣前，估算一下可能的花費。
