what is the meaning of ”with” in the sentence?

However, with concern about slowing U.S. consumer spending and a disappointing update from insur AID, the mood in financial markets was wary.

從你這個例子o黎睇, with 最接近的意思係 because of, 但係with其實本身沒有甚麼特別的意思, 正如字典所解釋, 佢只係一個preposition, 用作帶出一個 noun/ noun phrase, 所以因應不同的環境/ 句子結構/ 用法, 佢嘅意思亦可以隨之而變。

1) with 可以解作 in the company of

With all of you by my side, I feel more confident now.

2) with 可以解作 having

With so much unfinished work, I think we're likely to work overtime tonight.
With only 1 day more to go before my wedding, I'm feeling pretty nervous.

3) with 可以解作 because of

With your help, I am sure that we will succeed.

4) with 可以解作 used in indicating the matter

The competition end, with none of us winning the prizes.

5) with 可以解作 in the same direction as

With the increase of age, our beliefs and thinking will change.
With the passage of time, his English has improved a lot.

6) with 可以解作 at the same rate as

Under poor visibility conditions, the danger of driving will increase with speed.

7) with 可以解作 in regard to

With reference to your complaint, our management has already carried out a detailed investigation and will give you a formal reply as soon as possible.


圖片參考：http://tw.yimg.com/i/tw/ugc/rte/smiley_1.gif



2008-08-10 14:33:32 補充：
1. With all of you by my side, I feel more confident now.
有你們的相伴, 我現在覺得有信心得多了。

2. With so much unfinished work, I think we're likely to work overtime tonight.
有那麼多工作尚未完成, 我相信我們今晚很有可能要超時工作。

With only 1 day more to go before my wedding, I'm feeling pretty nervous.
還有一天就是我結婚的大日子, 我真的感到有点緊張。

2008-08-10 17:39:21 補充：
3. With your help, I am sure that we will succeed.
有了你的幫助, 我肯定我們可以成功。

4. The competition end, with none of us winning the prizes.
比賽結束了, 而我們任何一個都得不到獎項。

5a. With the increase of age, our beliefs and thinking will change.
隨著年齡的增長, 我們的信念和思想都隨之而改變。

2008-08-10 17:50:37 補充：
5b. With the passage of time, his English has improved a lot.
隨著時間的過去, 他英語的水平亦改善了許多。

6. Under poor visibility conditions, the danger of driving will increase with speed.
在能見度低的情況下駕車, 速度越快就越是危險。

2008-08-10 18:09:04 補充：
7. With reference to your complaint, our management has already carried out a detailed investigation and will give you a formal reply as soon as possible.
有關閣下的投訴, 管理層已經展開深入調查, 並儘快給予你一個正式的回覆。

2008-08-10 18:09:55 補充：
8. With every purchase of $500, you can enjoy 20% discount off any regular-priced products.
凡購物滿$500, 你就可以享有八折優惠購物任何正價貨品。(此用法: 當附合情況A, 你就可以做到情況B)

2b) With my long years of related experience, I am confident that I can manage this job well.
憑著我多年來相關的經驗, 我有信心我可以勝任這份工作。

中譯你就明架啦：
However, with concern about slowing U.S. consumer spending and a disappointing update from insur AID, the mood in financial markets was wary.
不過，ｘｘ對美國消費者消費放緩及 insur AID 的新消息令人失望，金融市場情緒審慎。
由此應該理解到有因果關係（即 with = 由於）啦。