ba-ona ha-zot , mezeg ha-avir be-Roma yaxol lihyot na'e , aval [mezeg ha-avir] be-London lo yaxol *([t lihyot na'e]).
in.the-season this temper the-air in-Rome can to.be nice but temper the-air in-London not can  to.be nice
In this season, the weather in Rome can be nice but the weather in London can’t be nice.