1/We can't accept that as a basis for a decision.
2/It was too difficult for me.
or的意思大致有七种,
1.（用以引出另一种可能性）或,或者,还是
A boy or two girls are at home.
一个男孩或两个女孩在家.
Mr.Jones or I am to speak at the meeting.
会上由琼斯先生或我来发言.
Is the flower red or blue?
那花是红的还是蓝的?
2.（用于警告或忠告）否则,不然
Turn the heat down or your cake will burn.
把热度调低吧,要不蛋糕就要糊了.
3.（用于否定句,提出两种或多种事物时）也不
He cannot read or write.
他不会看书,也不会写字.
4.（用于两个数字之间表示约略数目）大约
5.（用于引出解释性词语）或者说
6.（用于说明原因）不然,否则
7.（用于引出对比的概念）