默克和葛兰素的发言人说所有证据表明疫苗是安全有效的。没有证据表明需要再加强注射一针。
Spokesmen for Merck and Glaxo say all indications are that their vaccines are safe and effective, and there is no evidence that a booster shot will be needed.
舞台演出的发言者对他们没有吉他或麦克风插孔，需要搅拌机。
The stage gig speakers have no guitar or mike jacks on them which requires the mixer.
女发言人陈蔚云说“我们的评估中国疫苗的安全性没有改变”，“死亡是不幸的，但是我们需要查明它的原因。”
"Our assessment of the safety of the Chinese vaccine hasn't changed," said spokeswoman Vivian Tan. "the deaths are unfortunate, but we need to get to the bottom of it."
对那些有极大需要的人，最悲惨的莫过于没有人肯为他们站起来发言。
The greatest tragedy for those in dire need is that they have no one who will stand up and speak out for them.
对那些有极大需要的人，最悲惨的莫过于没有人肯为他们站起来发言。
The greatest tragedy for those in dire need is that they have no one who will stand up and speak out for them.
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