知乎，让每一次点击都充满意义 —�?欢迎来到知乎，发现问题背后的世界。 Singapore Has diplomatic relations with one hundred seventy five other Sovereign states.[114] Singapore's international policy is to keep up a secure ecosystem in Southeast Asia in addition to the nations in close proximity to Southeast Asia. A basic rule is the political and financial balance in Southeast Asia.[115] https://www.swcglobal.com/