How to pronounce 白費 in Cantonese (3 out of 4):

投入大量資源都會白費
It's a free investment.

Cantonese Sentence Breakdown

投入 tau4 jap6
to concentrate in; into something
大量 daai6 long6
a lot
資源 zi1 jyun4
resources
dou1
all
both
entirely
(used for emphasis) even
already
(not) at all
metropolis
capital
big city
the whole
elegant
refined
without exception
also
too
still
used in a sentence to add an inference or interrogative tone
wui6
a moment (Taiwan pr. for this sense is [huǐ])
metropolitan
gatherings union
to meet
to catch up
白費 baak6 fui3
waste