in fact;

especially;

particularly;

moreover;

naturally;

what is more important;

in reality; certainly;

of course; indeed;

in particular;

not to mention...;

believe it or not;

undeniably;

it is certain/sure that...;

to be strict;

to be true;

by definition;

definitely;

undoubtedly;

without a doubt;

in truth, in any event(不论怎样);

without reservation(毫无保留地);

obviously, not only.. but(also...), both...and...

other thing being equal;