I think more advertisement is the key to our success.

　　我认为多做广告是我们成功的关键。

　　I'm afraid I can't accept your argument. Improving the quality of our products is the best way. No quality, no success.

　　恐怕我的观点有所不同。提高产品质量才是最好的方法。没有质量，就没有成功。

　　That's an ideal theory, but I don't think it works nowadays.

　　那是一种理想的理论，可我认为当今它行不通。

　　I know I'm correct.

　　我认为我是正确的。