Terms containing it is another thing

Subject	English	Russian
gen.	it is another thing to do something	другое дело (A.Rezvov)
gen.	it is just one thing on top of another	всё одно к одному
cliche.	it is one thing + infinitive, but it is quite another thing + infinitive	одно дело, и совсем другое (At a meeting to decide on the request, council member Billy Webb offered a rather interesting reason for why he took issue with such a ghost hunt, musing that "it is one thing to have a paranormal investigation in a public building, but it is quite another thing to have them in buildings that have previously been a private home." coasttocoastam.com ART Vancouver)
fig.of.sp.	it is one thing on top of another	одно к одному (Leonid Dzhepko)
gen.	it is one thing to promise and another to perform	одно дело пообещать, а другое — сделать
sec.sys.	it is one thing to tell us, it is another thing to show us	одно дело – заявить, другое дело – раскрыть информацию (CNN, 2019 Alex_Odeychuk)
sec.sys.	it is one thing to tell us, it is another thing to show us	одно дело – заявить, другое дело – предоставить доказательства (CNN, 2019 Alex_Odeychuk)
gen.	it's one thing on top of another	всё время то одно, то другое