1. In the chess game, neither of us can make a move. Therefore we have reached a stalemate.2. In the game of 2048 there are only two possible moves, and making either move will end the game. Therefore the game is over.
 stalemate the game is over在西洋棋或其他遊戲，無子可動時可用 stalemate 表示僵局，而遊戲結束則用 the game is over.
這是一個連環問題: 燃燒石油導致二氧化碳增加，二氧化碳增加導致溫室效應，溫室效應導致冰層融化、海平面上升。 (請填空)
This is a chain of problems. Burning oil leads to increase in carbon dioxide, which leads to the greenhouse effet, which leads to melting of glaciers, which leads to rising sea levels.