Spreading: ink crept on printed areas. there are many factors causing ink to spread; such as printing pressure ink viscosity paper absorbency etc.
滋墨：印纹上，油墨向外蔓延的情况。引致滋墨的原因很多；例如压印压力，油墨流阻度，纸张吸收性等。
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Such technical change is quickly spreading through the system. This naturally creates, in the short-run, pressure on the jobs and wages of the workers being displaced.