发音不相同：/θ/， /ð/"Thank you," Maria said hoarsely.“谢谢，”玛丽亚嗓音嘶哑地说道。

'Thank you,' they said in chorus.“谢谢。”他们齐声说道。I'm better now, thank you.我现在好些了，谢谢您。There was nobody about.附近没有人。Are there any stamps 有邮票吗？There were just a hundred of them there.他们那里只有一百人。We often go there.我们常去那里。

不同，前者发清辅音，后者发浊辅音