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さようなら， サヨウナラ， サヨーナラ， 左様なら
1. farewell, adieu, goodbye, so long
tbd
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有意義， ゆういぎ
1. significant, useful, meaningful, worthwhile, valuable, of interest
tbd
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過ごす， 過す， すごす
1. to spend (time), to pass, to lead (a life), to live
2. to overdo (esp. alcohol consumption), to drink (alcohol), to carry too far, to carry to excess
3. to take care of, to support
4. to overdo, to do too much
5. to ... without acting on it, to .....
花时间，度过，过日子
