关于"Goodbye"的英文短句，以下是综合整理后的分类建议：

一、日常告别用语

1. Goodbye!

2. Farewell until we meet again!

3. I'm afraid I must say goodbye.

4. I've come to say goodbye.

5. I'd like to say goodbye to you.

二、场景化表达

1. 临时告别

I'll be back soon.

I'll call you later.

2. 特殊场景

Goodbye to my childhood!

Goodbye, 2024!

Goodbye to old friends!

三、情感表达

1. 深情告别

I'll miss you forever.

I'll always cherish our memories.

2. 幽默表达

You can kiss your degree goodbye!

I'm really going to miss you.

四、文学化表达

1. 诗意告别

The road ahead is long, but let's keep in touch.

May the road rise up to meet you.

2. 反复强调

Goodbye, but not forever.

Goodbye, my dear!

建议根据具体场景选择表达方式，日常交流推荐使用1-2种经典句式，特殊场合可搭配场景化表达。文学创作则可尝试使用诗意或反反复复的句式增强感染力。