And instead of goodbye, how about so long?

如果不说再见，怎知节目做了这么长？

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So for now wave goodbye, leave your hands held high, hear this song of courage long into the night.

高举双手向过去告别，聆听这称颂勇气的歌声，沉入黑夜，等待黎明。

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After all, love begins with mutual affections, but ends as long as one of the two has the willing to terminate it. So the best choice is to say goodbye with a blessing in heart to his departure.

毕竟，相爱要两个人一起开始，而分手，只要是其中一方有这个意愿，那是游戏规则已经挑破了，倒不如和他离去的背影说再见，送上一份祝福。

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Children: (Singing) So long, farewell, au revoir, auf wiedersehen, goodbye...

NPR: Producer Robert Wise Dies at 91

Saying goodbye to the shuttle isn't saying so long to space.

CNN: Space is still the new frontier

One last gesture, one last goodbye, one last promise made to that woman who was me so long ago.

BBC: The bloom of cancer