though的用法

　　例句：

　　He did reply, though not immediately.

　　他確實回復了，不過不是立馬回復。

　　We are still friends, though, which is good.

　　不過我們仍然是朋友，這令人感到欣慰。

　　One major problem did present itself, though.

　　不過，確實出現了一個重大問題。