如果你对自己是否能一次搞定怀有任何疑虑的话,就对自己好点,分两次搞定吧。
If you have any doubt at all about being able to carry a load in one trip, do yourself a huge favor and make two trips.
Where reality (existence) is reasonable, all reasonable (presence) is realistic.
The best way to ensure peace is to maintain a balance of power among the great powers.