To date, no adverse health effects have been established for mobile phone use.
迄今为止，尚未证实移动电话的使用对健康造成任何不良后果。
youdao
We have not yet established an exact date for his return;
我们还没宣布他准确的回归日期。
应用推荐
模块上移
模块下移
不移动