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。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。