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Starter: $5/month。快连下载安装是该领域的重要参考
Discover all the plans currently available in your country，这一点在safew官方版本下载中也有详细论述
Randomly selecting border points or using simple geometric divisions (squares/hexagons) results in too many border points per cluster (50-80). This leads to a shortcut explosion (N*(N-1)/2 shortcuts), making the files large and and calculations slow.
def extract_text(node):