2 sentences

1. 两国政府签署了加强经贸合作的备忘录。

   liǎng guó zhèng​fǔ qiān​shǔ le jiā​qiáng jīng​mào hé​zuò de bèi​wàng​lù.

   The governments of the two countries signed a memorandum on strengthening economic and trade cooperation.

   Source: Dong Chinese Dictionary

2. 我把重要的日程都记在手机的备忘录里。

   wǒ bǎ zhòng​yào de rì​chéng dōu jì zài shǒu​jī de bèi​wàng​lù lǐ.

   I record important schedules in the memo app on my phone.

   Source: Dong Chinese Dictionary