main group

基本解释

It means you cannot tell they're members, unless they're members of the main group.
只是表明您不能说明它们是成员，除非它们是主组的成员。
Unless you remove the person from all subgroups, he is still a member of the main group.
除非将员工从所有子组中删除，否则他仍是主组的成员。
This does not mean that the members of the subgroup appear to be members of the main group.
这并不意味着子组的成员是主组的成员。

At the same time,they agreed to make the G20 the main group the "premier forum" to guide international economic cooperation.
If there's a group, responsibility to help decreases and this is captured in different ways but the main idea is we all think someone else will help so we don't. There's a diffusion.
如果是一群人，帮助的责任就会分散变小,这体现在多个方面,但最主要的想法就是我们都认为别人会帮助,所以我们就不帮助了，责任被分散了。
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The leaders agreed to make the G20 the main group for their international economic cooperation, instead of the G8.

Financial advisors are the next main group of investment intermediaries, subject to even less transparency than money managers.
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