但我不会告诉他们，你有个缺点。

But I will not tell them this: You have a flaw.

youdao

但是这里一样有个缺点，那就是使用慢速快门时，如果你或者你的被摄主题有任何移动的话，你的照片中就会出现动态的模糊。

With a slow shutter speed it's more likely that you or your subject is going to move while the shutter is open, causing motion blur in your photo.

youdao

但是这种方法有个小小的缺点，这和内存映射文件的大小有关。如果事先不知道大小的话，为了以防万一，你可能会构造一个超级大的文件。

Now, there is a small drawback with this approach and is related to the size of the memory mapped file.

youdao