1.
Excuse
me,
may
I
ask
you
a
question?】
2.
I
appreciate
your
help.
】
3.
Would
you
mind
if
I
give
you
a
suggestion?】
4.
I'm
sorry,
could
you
repeat
that
again?】
5.
Thank
you
for
your
patience.
】
6.
May
I
kindly
request
your
assistance?】
7.
It's
a
pleasure
to
meet
you.
】
8.
Allow
me
to
introduce
myself.
】
9.
How
may
I
be
of
service
to
you?】
10.
Please
forgive
my
ignorance.
】
11.
I'm
grateful
for
your
understanding.
】
12.
Let
me
know
if
there's
anything
I
can
do
to
help.
】
13.
I
sincerely
apologize
for
any
inconvenience
caused.
】
14.
With
all
due
respect,
I
have
a
different
opinion.
】
15.
Your
kindness
is
greatly
appreciated.
】
16.
I
hope
I'm
not
imposing,
but
could
you
spare
a
moment
to
talk?】
17.
Could
I
trouble
you
to
clarify
that?】
18.
It
was
very
thoughtful
of
you
to
do
that.
】
19.
I
value
your
input
very
much.
】
20.
My
sincere
thanks
to
you
for
your
kind
assistance.
】