2 sentences

1. 这是每年最忙碌的采购日。

   zhè shì měi​nián zuì máng​lù de cǎi​gòu rì.

   It's the busiest shopping day of the year.

   Source: OpenSubtitles

2. 我是否需要提供采购证明？

   wǒ shì​fǒu xū​yào tí​gōng cǎi​gòu zhèng​míng?

   Do I need to provide proof of purchase?

   Source: CCMatrix