  We show that the final-state interaction explains the nontrivial
near-threshold energy dependence of the cross section of the process
$e^{+}e^{-}\rightarrow\Lambda_{c}\bar{\Lambda}_{c}$ observed by the Belle and
BESIII collaborations. This energy dependence is the result of the mixture of
$S$-wave and $D$-wave components of the $\Lambda_{c}\bar{\Lambda}_{c}$ wave
function due to a tensor interaction. The Coulomb potential is important only
in the narrow energy region about a few MeV above the threshold of the process.
It is shown that the widely used assumption that the impact of the Coulomb
interaction on the cross sections of hadron production is reduced to the
Sommerfeld-Gamow-Sakharov factor is not correct.
