之所以核心通货膨胀作为晴雨表很有吸引力，是因为整体通货膨胀率往往变化无常。
The lure of core inflation as a barometer is that headline inflation rates tend to be volatile.
此外，美国国债收益率也常作为晴雨表衡量投资者对通胀和衰退等经济变量的感觉。
It also serves as a barometer of investors' feelings about economic variables like inflation and recession.
但在另一方面，小道消息作为组织中“民意”的晴雨表是有价值的。
On the other hand, the grapevine is valuable as a barometer of 'public opinion' in the organization.
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