Not very good, I'm afraid, but I do play it a lot. Do you play, by any chance?
不怎么擅长,但我确实经常打。你有机会打球吗?
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.
那些计划去偏远地区旅行,或在饮用水不现成的国家居住的人,应该知道如何使水适于饮用的各种办法。