請教一個語法問題，謝謝！

來源: 於 2015-12-30 18:53:30 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

請教一下句號到底在引號裏還是引號外，比如

1) I believe that "The earth is round." Unfortunately, .....

2)  I believe that "The earth is round". Unfortunately, .....

 

1)和2）哪個是對的？

謝謝！