从这种情况下他已违背了他的承诺，他完全失去诚信。
From this case, he has contradicted on what he claims, and he has totally failed.
但这种支持会因社会问题的轻重缓急而有所变化，所以从这种意义上来说，在通常情况下，社会需求决定着科研工作的方向。
This support is often swayed by the immediate needs as perceived at that time. In this way the direction of scientific effort is shaped by society at large.
贝伐单抗，也是没有用的情况下鳞状细胞癌，因为它会导致出血，从这种类型的肺癌。
Bevacizumab is also not used in cases of squamous cell cancer, because it leads to bleeding from this type of lung cancer.
贝伐单抗，也是没有用的情况下鳞状细胞癌，因为它会导致出血，从这种类型的肺癌。
Bevacizumab is also not used in cases of squamous cell cancer, because it leads to bleeding from this type of lung cancer.
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