Whether a formal relationship or not, the best business partners also have strong emotional bonds.

不论是否是正式的合作，最佳的合作伙伴间必须有很强的情感纽带。

youdao

Although there is no formal relationship with state and local academies of science, there often is informal dialogue.

虽然没有正式关系，与国家和地方院校的科学，有往往是非正式的对话。

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They're often investing other people's money and treat this as a full-time job -- two factors which make for a slightly more formal relationship.

他们经常投其他人的钱，并且将这个作为一份全职工作--两个因素造成了一个稍微正式的关系。

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No longer is there a formal relationship between church and state.

ECONOMIST: Russia

Spouses and loved ones rarely follow the investment instructions left behind by the money person in the family unless there is formal relationship already in place.

FORBES: My Spouse Will Call You When I'm Dead

The church argued it could not be held liable as no formal employment relationship with its clergy existed.

BBC: Hampshire & Isle of Wight