她补充说：“这种包款永远都是一把双刃剑，使用须谨慎！”

'Always a double-edged sword with this style, carry with caution!' she adds.

youdao

使用柠檬精油时须小心谨慎。

Lemon essential oil should be applied and used with care.

youdao

当今越来越多的人开始使用手机上网，不过电信公司的人员提示数据漫游费用很高，用户须谨慎使用。

More and more people are beginning to go online on their mobiles, but telecom companies are warning users to be cautious because data service roaming charges could be very high.

youdao