Passing things in record time across border (English) (9)

'passing things' is the definition.
(ephemeral or short-lived things)

'in record time across border english' is the wordplay.
'in' means one lot of letters goes inside another.
'record' becomes 'ep' (abbreviation for extended play record).
'time' becomes 'era' (era is a kind of time).
'across border' becomes 'hem' (I've seen this before. I am not sure about the 'across' bit.).
'english' becomes 'e' (abbreviation).
'ep'+'era'='epera'
'epera' placed around 'hem' is 'ephemera'.
'ephemera'+'e'='EPHEMERAE'