理解自然的基本力量对于理解宇宙至关重要。
Understanding the fundamental forces of nature is essential to comprehending the cosmos.
The beginning is the most important part of the work.
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.
文字的力量在于它们可以改变世界。
Marine protected areas are not restrictions—they're investments in our fishing future.
We are all searching for something, but we don't always know what it is.