✔ 最佳答案
First, your sis is misinformed, perhaps a better half of people don't kill spiders, and a very good percentage even welcome spiders.
Maybe trying to say you should kill the spider.
Sad, spiders are not the bad guys, just badly misunderstood and have a very undeserved bad reputation.
I welcome spiders in my place, one of my favorite house spiders I saved from drowning in a rain storm, she lived behind my water cooler another 5 years and 4 of her offspring lived in other parts of the house:
https://www.flickr.com/photos/32083154@N02/3710724674/in/dateposted/
If having spiders around effects your mental state, I am as loony as they come.
A small funnel weaver lived right here on my desk lamp all summer, got to watch him grow from a tiny little thing.
A messy web, but look at all the flies and gnats he caught:
https://www.flickr.com/photos/32083154@N02/8096669530/in/dateposted/
參考: Been around spiders 50 years.