and you can see some of them listed here.

这里列出了一些
They tend to rely on precarious funding,

它们依赖于并不确定的资金
and they all need a more reliable source of funding.

都需要更稳定的资金来源
They tend to be understaffed because they don't have enough funding,

由于资金不足导致人手不够
and therefore, have to rely on volunteers.

所以项目需要招募志愿者
Now thankfully, there's a large group of very committed volunteers

幸好现在有非常多的志愿者
who work on these things,

投入了这些事情
and those people can make a big difference.

他们对此付出了很多努力
The third bullet point there: they tend not to connect with science,

第三点是他们往往脱离科学
and then that connects with a fourth bullet point:

由此导致了第四个问题
is they just don't tend to get evaluated very well.

他们得不到很好的评价
They look good, they appear to be having a positive impact;

项目看起来很好有着良好的影响