I'll help create a high-quality SEO article based on your requirements about "美前财长：美加征关税政策非常危险" (Former US Treasury Secretary: US tariff increase policy is very dangerous). Let me first generate some related long-tail keywords and structure the article outline.

Here's my proposed approach:

1. Create an attention-grabbing title with emotional/urgent language
2. Generate 5 relevant long-tail keywords
3. Structure the article with 6 section headings and subheadings
4. Include SEO elements like core keyword placement, FAQ, and data citations

Let me start by generating some relevant long-tail keywords to incorporate: