living abroad; life overseas
Refers to the experience or state of residing in a foreign country, often with a focus on daily life and cultural adaptation.
I long for a life abroad.
What was the hardest part of living overseas?
海外赴任 specifically refers to being posted overseas for work, whereas 海外生活 is a broader term covering all aspects of living abroad.
留学 means studying abroad, which is one form of 海外生活, but 海外生活 includes working, family relocation, and other non-study situations.
Compound of 海外 (overseas) and 生活 (life, living).