Business is business.

2、本报价随行就市。

This offer is subject to market fluctuation.

3、世界面貌日新月异。

The outlook of the world is changing with each passing day.

4、我认为这是一个双赢的协议。

I consider this a win-win agreement.

5、我们面临的不仅是难得的机遇，同时也是严峻的挑战。

We are faced with not only rare opportunities, but also severe challenges.

6、我们不能特立独行，而必须团结起来形成一个行业。

We can’t “go it alone” but act as an industry.

7、此事再发生，你方将招致索赔。

If this happens again, you will be liable to claim.