gulf
/gʌlf/noun
1
2
- a deep ravine, chasm, or abyss沟壑; 深坑; 深渊。
2.1
- figurative a large difference or division between two people or groups, or between viewpoints, concepts, or situations〈喻〉鸿沟; （观点等的）巨大分歧：
a wide gulf between theory and practice.
理论与实践之间的巨大差异。
词源
late Middle English: from Old French golfe, from Italian golfo, based on Greek kolpos 'bosom， gulf'.