It has been so since the 1960s when packaged food list appeared with the label: "Store in the refrigerator".

自20世纪60年代包装食品清单上出现“储存于冰箱”的标签以来，情况就一直如此。

youdao

This is all the more so since these discussions almost inevitably turn to questions of prices, patents, intellectual property protection, and competition.

由于这些讨论几乎不可避免地涉及到价格、专利、知识产权保护和竞争等问题，这就更加突出了。

youdao

So since 1933 the Fed has been managing inflation.

所以，自从1933年，美联储一直在管理通货膨胀。

youdao

Turkey has become so popular that turkey production in the United States has grown three hundred percent since nineteen seventy.

VOA: special.2010.05.28

And so to see somebody so prolific and who's been that way since he was a teenager, I mean,

所以，（我们）看到这样一个从青年时期就多产的作家，我的意思是，

和男朋友在一起 - SpeakingMax英语口语达人

So since we have two lone pairs, we're going to be pushing down even further on the bonding electrons, so we're going to smoosh those bonds even closer together.

因为我们有了两个孤对，我们会把成键电子,更加向下压，所以我们把这些键更加紧得推到一起。

麻省理工公开课 - 化学原理课程节选

So since Americans are working less given the difficult employment environment, there is also less supply.

FORBES: Dispelling long-held misconceptions

So since those policies began to take effect, the decline in our GDP was halted and reversed.

WHITEHOUSE: Press Briefing

In fact, they have done so since 1982, suggesting that the trend is not a deliberate political plot.

ECONOMIST: Exams