“可持续的情感”这个概念在英语中可以表达为 “sustainable emotions” 或 “enduring emotions”。以下是一些可能的表达方式：
- Sustainable emotions: This refers to feelings or emotional states that can be maintained over a long period of time without fading or becoming overwhelming.
- Enduring emotions: These are feelings that last and do not diminish easily, often associated with deep-seated or long-term attachments or values.
- Long-lasting emotions: Describes emotions that have a prolonged duration and are not fleeting.
- Stable emotions: Emotions that are consistent and do not fluctuate significantly.
- Resilient emotions: Emotions that can withstand challenges and changes, remaining strong and intact.
- enduring affections: A more poetic way to describe deep, long-lasting feelings of affection or love.
- Sustainable well-being: While not exactly the same, this term encompasses a broader sense of emotional and mental stability that can be maintained over time.
在具体使用时，可以根据上下文选择最合适的表达方式。