Gainsborough is known as an unemployment blackspot.众所周知，盖恩斯伯勒失业严重。...

blackspot的音标：blackspot的英式发音音标为：[b'lækspɒt]blackspot的美式发音音标为：[b'lækspɒt]...

黑点（镀锡板缺陷），黑斑，盲点，斑痕...