rules, regulations & obligations that come internally from ourselves: must, prohibition: mustn't , advice and recommendations: should , shouldn't, something is not possible: can't, there is possibility to do smth: can, smth unreal that you want to do : would,

modals

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?