{Below’s a simple trick: The phrase “difference” desires that additional ‘f’ to ‘differentiate’ alone from other words. Silly as it could seem, it’s such as the two ‘file’s are mates who don’t want to leave each other guiding in spelling!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�