1. "Gratification" and "gratitude" have the same etymological root.
gratification和gratitude有相同的词源。

《柯林斯英汉双解大词典》

2. I merely drew an etymological distinction.
我仅列出一个语源学方面的差别。

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3. But the Chinese have often ignored this etymological hint.
虽然中国人通常忽略到这个词语的含义。

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4. But the Chinese have often ignored this etymological hint.
虽然中国人通常忽略到这个词语的含义。

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