例句與造句

1. Or was this an isolated course of action, compelled by extraordinary circumstances?
2. He gave a coherent explanation for his vote two years ago to authorize President Bush to use military force, making a clear distinction between how the White House should have used that authority to maximize international pressure against Saddam Hussein and the self-isolating course it actually followed.
3. It's difficult to find isolating course in a sentence. 用isolating course造句挺難的