All too often such policies are an insincere form of virtue signaling that benefits only the most privileged and does little to help average people. 这些政策往往是一种虚假的美德信号,其只会让最有特权的人受益,而对普通人几乎没有帮助。
Now they are trying to figure out what molecular signaling processes activate those seed-building genes in resurrection plants—and how to reproduce them in crops. 如今,她们正试图弄清楚哪些分子信号转导过程激活了复苏植物的种子发育基因,以及如何将其复制到农作物上。