根据英语新闻，写一篇英语评论

Question

U.S. investigators suspect that Malaysia
Airlines 3786.KU -2.04% Flight 370 stayed in the air for about four hours past
the time it reached its last confirmed location, according to two people
familiar with the details, raising the possibility that the plane could have
flown on for hundreds of additional miles under conditions that remain murky.

.

Answer 1

U.S. investigators suspect Malaysia Airlines Flight 370 flew for hours past the time it reached its last confirmed location, based on an analysis of signals sent through the plane's satellite-communication link designed to automatically transmit the status of onboard systems, according to people familiar with the matter. An earlier version of this article and an accompanying graphic incorrectly said investigators based their suspicions on signals from monitoring systems embedded in the plane's Rolls-Royce PLC engines and described that process.
希望能够帮到你！【ABC.Snap】

Answer 2

A news said that U.S. investigators are suspecting the vanished plane Malaysia Flight 370 stayed in the air for about four hours past the time it reached its last confirmed location, according to two people familiar with the details. Obviously it will increase the difficulty for searching and relevant activities with enlarged the scope of suspected area. With time going on and on , no loved news appeared yet. Thus made all people continuously taking tension about the passagers.