し details
write + and what's more — stacking reasons
kaku shi
and what's more — stacking reasons
今日は寒いし、雨も降ってるし、家にいようよ。
kyou wa samui shi, ame mo futteru shi, ie ni iyou yo.
It's cold today, and it's raining too — let's just stay in. casual
この店は安いし、駅からも近いので、よく利用しています。
kono mise wa yasui shi, eki kara mo chikai node, yoku riyou shite imasu.
This place is cheap, and it's close to the station too, so I use it a lot. neutral
Examples
and besides / what's more — listing reasons that each count, with more left unsaid; a single trailing し still implies the rest
今日は寒いし、雨も降ってるし、家にいようよ。
kyou wa samui shi, ame mo futteru shi, ie ni iyou yo.
It's cold today, and it's raining too — let's just stay in. casual
この店は安いし、駅からも近いので、よく利用しています。
kono mise wa yasui shi, eki kara mo chikai node, yoku riyou shite imasu.
This place is cheap, and it's close to the station too, so I use it a lot. neutral
会場も広いですし、設備も整っていますし、ここがよろしいかと思います。
kaijou mo hiroi desu shi, setsubi mo totonotte imasu shi, koko ga yoroshii ka to omoimasu.
The venue is spacious, and the facilities are well equipped — I believe this is the right choice. formal
明日も早いし、そろそろ帰るね。
ashita mo hayai shi, sorosoro kaeru ne.
I've got an early start tomorrow (among other things), so I'll head off. casual
Formation
{V}しattaches to dictionary formplain clause + しattaches to plain clausei-adj + し (安いし)attaches to i-adjectivena-adj + だしattaches to na-adjective{N}だしattaches to noun
Notes
Related patterns
Similar
から rests the whole case on one decisive reason; し stacks co-existing reasons and flags the list as open-ended — 安いし近いし offers reasons plural with more implied, 安いから commits to price alone.