如果不这么做的话，未来我们人类在生态系统中会变得无足轻重，人类的存在之本也可能会变得值得商榷了。

If we aren't, we won't be providing much value in future ecosystems, and that may put in question the foundation for our existence.

youdao

一些在家中看似无足轻重的伤在这里都可能是致命的，因为没有任何人可以帮到你。

An injury that might be inconsequential back home could prove fatal in the isolated Arctic with no one around to help.

youdao

英国记者们知道他们——我们——都无足轻重，他们追求的是交易而不是职业，也知道自己永远不可能成为精英集团的一份子。

British journalists know they-we-are below the salt, that reporters pursue a trade not a profession and can never be part of the Establishment.

youdao