�@�u�p�C���b�g�i�K�����{�i�I�ɃX�P�[���������]���_�ɂ����āA���Ƃ́w����������AI���[�N���[�h�ɂ��Đ헪�I�ɍl���Ȃ����Ȃ��Ȃ��x�ƈӎ����n�߁A���܂��܂ȑI���������������悤�ɂȂ��v
Support the Guardian: theguardian.com/sciencepod
Free mobile apps，详情可参考WPS下载最新地址
�@�N���E�h�t�����Ȃǂ̉ߋ��̋Z�p�]�����ɂ����̂悤�Ȋ��Ƃ͌����ꂽ�B�������A���݂�1�̑傫�ȈႢ�������B，更多细节参见下载安装 谷歌浏览器 开启极速安全的 上网之旅。
PricingFree PLR articles packs, ebooks, and other digital products are available。WPS下载最新地址对此有专业解读
If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value: