本文并非官方文档的简单翻译，而是结合多方信息源和实战经验，对 Spark 3 到 Spark 4 的迁移进行一次系统性梳理。我们将从"必须改"、"容易踩坑"、"值得利用"三个维度，帮助你制定一个清晰的迁移路线图。

Iran said it could suspend uranium enrichment for up to five years but the Trump administration insisted on 20 years, officials from both countries said. Migrant workers in the United Arab Emirates, ...

U.S. Is Negotiating an Iran Deal That Would Buy Time, Again The U.S. proposed a 20-year “suspension” of all nuclear activity, even as President Trump demanded assurances that Iran never build a ...