'And' reduces, 'then' reduces, 'it' is said quickly with a Stop T. Some people might think, that's very unclear, that's not good English, but I want to stress that it is.

'And' reduces, 'then' reduces, 'it' 说得很快，用一个停顿 T。 有些人可能会认为， 这很不清楚， 这不是很好的英语，但我想强调它是。