zeroCette forme plurielle est utilisée pour les nombres comme :  0
%{actors} have liked your %{post_link}.
otherCette forme plurielle est utilisée pour les nombres comme :  everything else
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.
%{actors} have liked your %{post_link}.