3 sentences

1. 他们在当日返回悉尼后被逮捕。

   tā​men zài dāng​rì fǎn​huí xī​ní hòu bèi dài​bǔ.

   They were arrested upon returning to Sydney that same day.

   Source: United Nations

2. 越来越多的零售商承诺当日送货。

   yuè​lái​yuè duō de líng​shòu​shāng chéng​nuò dāng​rì sòng huò.

   More and more retailers are promising same-day delivery.

   Source: CCMatrix

3. 复活节当日，许多澳大利亚人会以复活节彩蛋作礼物赠人。

   fù​huó​jié dāng​rì, xǔ​duō ào​dà​lì​yà rén huì yǐ fù​huó​jié cǎi​dàn zuò lǐ​wù zèng rén.

   On Easter Sunday many Australians give Easter eggs as gifts.

   Source: CCMatrix