The tests, many made in China without F.D.A. approval, are raising alarms. Results are off. Doctors are misusing them. And the rollout is far short of the demand.

Antibody Test, Seen as Key to Reopening Country, Does Not Yet Deliver

• The tests, many made in China without F.D.A. approval, are raising alarms.
• Results are off. Doctors are misusing them. And the rollout is far short of the demand.

抗體測試，被認為是重新國家解封的關鍵，尚未有成果。

這些測試很多都是中國製的，未取得F.D.A. 的批准，引起醫界警戒。

此測試結果還未達應有水準。 醫生對其使用錯誤。市場需求強，供給卻遠遠不足。

在沒有的進行的。，正在發出警報。

off adjective, adverb [not gradable] (BELOW USUAL LEVEL)

 

below the usual standard or rate:

Sales have been off this month.

He’s a good tennis player but had an off day and lost in straight sets.

They took 10% off (= below the usual price) because I paid in cash.