2 sentences

1. 你永远不知道前老板、同事、商业伙伴或熟人什么时候会派上用场。

   nǐ yǒng​yuǎn bù​zhī​dào qián lǎo​bǎn, tóng​shì, shāng​yè huǒ​bàn huò shú​rén shén​me​shí​hou huì pài shang yòng​chǎng.

   You never know when a former boss, colleague, business partner or acquaintance may come in handy.

   Source: CCMatrix

2. 我们希望我们的建议能派上用场。

   wǒ​men xī​wàng wǒ​men de jiàn​yì néng pài​shàng​yòng​chǎng.

   We hope that our suggestions will be useful.

   Source: CCMatrix