3 sentences

1. 这项新药的问世对癌症患者来说是个福音。

   zhè xiàng xīn yào de wèn​shì duì ái​zhèng huàn​zhě lái shuì shì gè fú​yīn.

   The advent of this new drug is a godsend for cancer patients.

   Source: Dong Chinese Dictionary

2. 第一台个人电脑问世以来，人们的生活方式发生了巨大变化。

   dì​yī tái gè​rén diàn​nǎo wèn​shì yǐ​lái, rén​men de shēng​huó fāng​shì fā​shēng le jù​dà biàn​huà.

   Since the advent of the first personal computer, people's lifestyles have changed dramatically.

   Source: Dong Chinese Dictionary

3. 他的第一部长篇小说去年问世后，立刻引起了文坛的关注。

   tā de dì​yī bù cháng​piān xiǎo​shuō qù​nián wèn​shì hòu, lì​kè yǐn​qǐ le wén​tán de guān​zhù.

   After his first novel was published last year, it immediately attracted the attention of the literary world.

   Source: Dong Chinese Dictionary