事情shì qing
affair, matter, thing, business交换jiāo huàn
to exchange, to swap, to switch (telecom)产生chǎn shēng
to arise, to come into being从cóng
from, via, passing through, through从事cóng shì
to go for, to engage in, to undertake从前cóng qián
previously, formerly, once upon a time从此cóng cǐ
from now on, since then, henceforth以及yǐ jí
as well as, too, and