by force of的用法和樣例：
例句
- I had to sell my house by force of circumstances; my company moved me to their office up north.
我的公司把我調到北方辦事處，為此我只得出售我的房子。 - He has grown interested in graphic education first by force of circumstance but later by choice.
開始由於形勢所迫，但後來出於自己的選擇，他逐漸對書畫教育感興趣起來。 - By necessity; by force of circumstance.
強制地通過需要; 通過環境的力量
