それに — In addition / Moreover

この店は料理がおいしい。それに、値段も安い。

Kono mise wa ryōri ga oishii. Sore ni, nedan mo yasui.

This restaurant has good food. Moreover, the prices are cheap.

それに = in addition (adding another positive); 値段も = the price too

雨が降っている。それに、寒い。

Ame ga futte iru. Sore ni, samui.

It's raining. On top of that, it's cold.

それに adds another negative condition in the same direction

この部屋は広い。それに、駅から近い。

Kono heya wa hiroi. Sore ni, eki kara chikai.

This room is spacious. Moreover, it's close to the station.

それに = in addition, adding a second advantage in the same direction