白色标志着纯洁，WCTU沿用着传统的蝴蝶结而不是现在更为广泛使用的环形丝带标志。

The white ribbon bow was selected to symbolize purity. The WCTU traditionally USES the bow rather than the more modern "remembrance" loop.

youdao

故认为，在桂西北地区，环形构造是寻找金矿的有利标志。

So, the circular structures in northwestern Guangxi Autonomous Region should be the favourable mark to find gold deposits.

youdao

紧随其后的是一种构织环形蛛网的蜘蛛（这种蜘蛛的黑色斑纹让研究人员想起扎帕标志性的胡子）。

Next, scientists named an entire genus of goby17) fish after the musician, followed by an orb-weaver spider (whose black markings reminded the researchers of Zappa's signature mustache).

youdao