The goods we offered last week are running out, therefore, the offer terminates on 20th July.
上周我们报价的货物现已售完,所以,此报价在7月20日终止。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。